1056366520 has 32 divisors (see below), whose sum is σ = 2592900720. Its totient is φ = 384133120.

The previous prime is 1056366511. The next prime is 1056366527. The reversal of 1056366520 is 256636501.

It is a super-2 number, since 2×1056366520² = 2231820449153820800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056366527) 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, 1199977 + ... + 1200856.

Almost surely, 2^1056366520 is an apocalyptic number.

1056366520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056366520 is an abundant number, since it is smaller than the sum of its proper divisors (1536534200).

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

1056366520 is a wasteful number, since it uses less digits than its factorization.

1056366520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400855 (or 2400851 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 1056366520 is about 32501.7925659493. The cubic root of 1056366520 is about 1018.4464752742.

The spelling of 1056366520 in words is "one billion, fifty-six million, three hundred sixty-six thousand, five hundred twenty".