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440040044 = 22412719901
BaseRepresentation
bin11010001110100…
…111101001101100
31010200000100110102
4122032213221230
51400122240134
6111355330232
713622164403
oct3216475154
91120010412
10440040044
11206433664
12103450978
1370220432
144262863a
152897237e
hex1a3a7a6c

440040044 has 24 divisors (see below), whose sum is σ = 791843136. Its totient is φ = 213840000.

The previous prime is 440040023. The next prime is 440040049.

440040044 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 440039998 and 440040025.

It is not an unprimeable number, because it can be changed into a prime (440040049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39494 + ... + 49394.

It is an arithmetic number, because the mean of its divisors is an integer number (32993464).

Almost surely, 2440040044 is an apocalyptic number.

It is an amenable number.

440040044 is a deficient number, since it is larger than the sum of its proper divisors (351803092).

440040044 is a wasteful number, since it uses less digits than its factorization.

440040044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10217 (or 10215 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 440040044 is about 20977.1314530848. The cubic root of 440040044 is about 760.6135650021.

It can be divided in two parts, 4400 and 40044, that added together give a palindrome (44444).

The spelling of 440040044 in words is "four hundred forty million, forty thousand, forty-four".

Divisors: 1 2 4 41 82 164 271 542 1084 9901 11111 19802 22222 39604 44444 405941 811882 1623764 2683171 5366342 10732684 110010011 220020022 440040044