1056646464 has 56 divisors (see below), whose sum is σ = 2801099808. Its totient is φ = 351536640.

The previous prime is 1056646391. The next prime is 1056646469. The reversal of 1056646464 is 4646466501.

It is a super-2 number, since 2×1056646464² = 2233003499767406592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056646469) 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, 99994 + ... + 110054.

Almost surely, 2^1056646464 is an apocalyptic number.

It is an amenable number.

1056646464 is an abundant number, since it is smaller than the sum of its proper divisors (1744453344).

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

1056646464 is a wasteful number, since it uses less digits than its factorization.

1056646464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10623 (or 10613 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 1056646464 is about 32506.0988739036. The cubic root of 1056646464 is about 1018.5364323087.

The spelling of 1056646464 in words is "one billion, fifty-six million, six hundred forty-six thousand, four hundred sixty-four".