1064644304 has 20 divisors (see below), whose sum is σ = 2063513760. Its totient is φ = 532124640.

The previous prime is 1064644291. The next prime is 1064644313. The reversal of 1064644304 is 4034464601.

It is a super-2 number, since 2×1064644304² = 2266934988079288832, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 38459 + ... + 60069.

It is an arithmetic number, because the mean of its divisors is an integer number (103175688).

Almost surely, 2^1064644304 is an apocalyptic number.

It is an amenable number.

1064644304 is a deficient number, since it is larger than the sum of its proper divisors (998869456).

1064644304 is a wasteful number, since it uses less digits than its factorization.

1064644304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24698 (or 24692 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 1064644304 is about 32628.8875691465. The cubic root of 1064644304 is about 1021.0997698382.

The spelling of 1064644304 in words is "one billion, sixty-four million, six hundred forty-four thousand, three hundred four".