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440640046044 = 2232111112727389
BaseRepresentation
bin1100110100110000011…
…00011000001111011100
31120010100221222121121100
412122120030120033130
524204412322433134
6534232141233100
743556320410162
oct6323014301734
91503327877540
10440640046044
1115a968900510
1271495562790
133272419ac73
141748177d232
15b6de6ad999
hex66983183dc

440640046044 has 36 divisors (see below), whose sum is σ = 1215098309880. Its totient is φ = 133527286560.

The previous prime is 440640046043. The next prime is 440640046073.

440640046044 is a `hidden beast` number, since 4 + 4 + 0 + 6 + 40 + 0 + 4 + 604 + 4 = 666.

440640046044 is nontrivially palindromic in base 10.

440640046044 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440640046043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 556363299 + ... + 556364090.

It is an arithmetic number, because the mean of its divisors is an integer number (33752730830).

Almost surely, 2440640046044 is an apocalyptic number.

440640046044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

440640046044 is an abundant number, since it is smaller than the sum of its proper divisors (774458263836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440640046044 is a wasteful number, since it uses less digits than its factorization.

440640046044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112727410 (or 1112727405 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

The spelling of 440640046044 in words is "four hundred forty billion, six hundred forty million, forty-six thousand, forty-four".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 1112727389 2225454778 3338182167 4450909556 6676364334 10014546501 12240001279 13352728668 20029093002 24480002558 36720003837 40058186004 48960005116 73440007674 110160011511 146880015348 220320023022 440640046044