1044531264 has 56 divisors (see below), whose sum is σ = 3158467648. Its totient is φ = 298437120.

The previous prime is 1044531263. The next prime is 1044531277. The reversal of 1044531264 is 4621354401.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×1044531264² = 2182091122946875392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1044531263) 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, 387247 + ... + 389934.

It is an arithmetic number, because the mean of its divisors is an integer number (56401208).

Almost surely, 2^1044531264 is an apocalyptic number.

1044531264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1044531264 is an abundant number, since it is smaller than the sum of its proper divisors (2113936384).

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

1044531264 is an equidigital number, since it uses as much as digits as its factorization.

1044531264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777203 (or 777193 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1044531264 is about 32319.2089012092. The cubic root of 1044531264 is about 1014.6287119426.

Adding to 1044531264 its reverse (4621354401), we get a palindrome (5665885665).

The spelling of 1044531264 in words is "one billion, forty-four million, five hundred thirty-one thousand, two hundred sixty-four".