1056407504 has 10 divisors (see below), whose sum is σ = 2046789570. Its totient is φ = 528203744.

The previous prime is 1056407459. The next prime is 1056407519. The reversal of 1056407504 is 4057046501.

It can be written as a sum of positive squares in only one way, i.e., 1002355600 + 54051904 = 31660^2 + 7352^2 .

It is a super-2 number, since 2×1056407504² = 2231993629015020032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33012719 + ... + 33012750.

It is an arithmetic number, because the mean of its divisors is an integer number (204678957).

Almost surely, 2^1056407504 is an apocalyptic number.

It is an amenable number.

1056407504 is a deficient number, since it is larger than the sum of its proper divisors (990382066).

1056407504 is an equidigital number, since it uses as much as digits as its factorization.

1056407504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66025477 (or 66025471 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 1056407504 is about 32502.4230481360. The cubic root of 1056407504 is about 1018.4596460408.

The spelling of 1056407504 in words is "one billion, fifty-six million, four hundred seven thousand, five hundred four".