1057022520 has 32 divisors (see below), whose sum is σ = 3171067920. Its totient is φ = 281872640.

The previous prime is 1057022509. The next prime is 1057022521. The reversal of 1057022520 is 252207501.

It is a super-2 number, since 2×1057022520² = 2234593215574300800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057022521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4404141 + ... + 4404380.

Almost surely, 2^1057022520 is an apocalyptic number.

1057022520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1057022520 is an abundant number, since it is smaller than the sum of its proper divisors (2114045400).

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

1057022520 is a wasteful number, since it uses less digits than its factorization.

1057022520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8808535 (or 8808531 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 1057022520 is about 32511.8827507728. The cubic root of 1057022520 is about 1018.6572489109.

The spelling of 1057022520 in words is "one billion, fifty-seven million, twenty-two thousand, five hundred twenty".