1056231040 has 64 divisors (see below), whose sum is σ = 2612169000. Its totient is φ = 407916544.

The previous prime is 1056231017. The next prime is 1056231041. The reversal of 1056231040 is 401326501.

It can be written as a sum of positive squares in 4 ways, for example, as 723825216 + 332405824 = 26904^2 + 18232^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1056231040² = 2231248019718963200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056231041) 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, 9895 + ... + 47014.

Almost surely, 2^1056231040 is an apocalyptic number.

1056231040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056231040 is an abundant number, since it is smaller than the sum of its proper divisors (1555937960).

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

1056231040 is an equidigital number, since it uses as much as digits as its factorization.

1056231040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56957 (or 56945 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1056231040 is about 32499.7083063833. The cubic root of 1056231040 is about 1018.4029345065.

Adding to 1056231040 its reverse (401326501), we get a palindrome (1457557541).

The spelling of 1056231040 in words is "one billion, fifty-six million, two hundred thirty-one thousand, forty".