1056730540 has 24 divisors (see below), whose sum is σ = 2349672192. Its totient is φ = 397827840.

The previous prime is 1056730531. The next prime is 1056730583. The reversal of 1056730540 is 450376501.

It is a super-2 number, since 2×1056730540² = 2233358868337383200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1553676 + ... + 1554355.

It is an arithmetic number, because the mean of its divisors is an integer number (97903008).

Almost surely, 2^1056730540 is an apocalyptic number.

1056730540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056730540 is an abundant number, since it is smaller than the sum of its proper divisors (1292941652).

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

1056730540 is a wasteful number, since it uses less digits than its factorization.

1056730540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108057 (or 3108055 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 1056730540 is about 32507.3920824172. The cubic root of 1056730540 is about 1018.5634461369.

The spelling of 1056730540 in words is "one billion, fifty-six million, seven hundred thirty thousand, five hundred forty".