1044661064 has 16 divisors (see below), whose sum is σ = 2021925120. Its totient is φ = 505481040.

The previous prime is 1044661043. The next prime is 1044661091. The reversal of 1044661064 is 4601664401.

It is a super-2 number, since 2×1044661064² = 2182633477275224192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1044661064.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105924 + ... + 2106419.

It is an arithmetic number, because the mean of its divisors is an integer number (126370320).

Almost surely, 2^1044661064 is an apocalyptic number.

It is an amenable number.

1044661064 is a deficient number, since it is larger than the sum of its proper divisors (977264056).

1044661064 is a wasteful number, since it uses less digits than its factorization.

1044661064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212380 (or 4212376 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1044661064 is about 32321.2169325352. The cubic root of 1044661064 is about 1014.6707382424.

The spelling of 1044661064 in words is "one billion, forty-four million, six hundred sixty-one thousand, sixty-four".