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440404044 = 22337991901
BaseRepresentation
bin11010010000000…
…000100001001100
31010200200211202220
4122100000201030
51400220412134
6111411215340
713625241543
oct3220004114
91120624686
10440404044
11206662093
121035a7550
137031a012
14426c115a
15289e5149
hex1a40084c

440404044 has 24 divisors (see below), whose sum is σ = 1055383728. Its totient is φ = 142833600.

The previous prime is 440404043. The next prime is 440404049.

440404044 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (440404043) 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, 495507 + ... + 496394.

It is an arithmetic number, because the mean of its divisors is an integer number (43974322).

Almost surely, 2440404044 is an apocalyptic number.

It is an amenable number.

440404044 is an abundant number, since it is smaller than the sum of its proper divisors (614979684).

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

440404044 is a wasteful number, since it uses less digits than its factorization.

440404044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991945 (or 991943 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 440404044 is about 20985.8057743800. The cubic root of 440404044 is about 760.8232330662.

It can be divided in two parts, 44040 and 4044, that added together give a palindrome (48084).

The spelling of 440404044 in words is "four hundred forty million, four hundred four thousand, forty-four".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 991901 1983802 2975703 3967604 5951406 11902812 36700337 73400674 110101011 146801348 220202022 440404044