1056474540 has 72 divisors (see below), whose sum is σ = 3495976848. Its totient is φ = 256114560.

The previous prime is 1056474539. The next prime is 1056474563. The reversal of 1056474540 is 454746501.

1056474540 is a `hidden beast` number, since 1 + 0 + 5 + 647 + 4 + 5 + 4 + 0 = 666.

It is a super-2 number, since 2×1056474540² = 2232276907336423200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1056474495 and 1056474504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264807 + ... + 268766.

It is an arithmetic number, because the mean of its divisors is an integer number (48555234).

Almost surely, 2^1056474540 is an apocalyptic number.

1056474540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056474540 is an abundant number, since it is smaller than the sum of its proper divisors (2439502308).

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

1056474540 is a wasteful number, since it uses less digits than its factorization.

1056474540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533599 (or 533594 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 1056474540 is about 32503.4542779687. The cubic root of 1056474540 is about 1018.4811882381.

The spelling of 1056474540 in words is "one billion, fifty-six million, four hundred seventy-four thousand, five hundred forty".