1056629388 has 12 divisors (see below), whose sum is σ = 2465468600. Its totient is φ = 352209792.

The previous prime is 1056629309. The next prime is 1056629393. The reversal of 1056629388 is 8839266501.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1056629388² = 2232931327170509088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44026213 + ... + 44026236.

Almost surely, 2^1056629388 is an apocalyptic number.

It is an amenable number.

1056629388 is an abundant number, since it is smaller than the sum of its proper divisors (1408839212).

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

1056629388 is a wasteful number, since it uses less digits than its factorization.

1056629388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88052456 (or 88052454 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 1056629388 is about 32505.8362144400. The cubic root of 1056629388 is about 1018.5309455723.

The spelling of 1056629388 in words is "one billion, fifty-six million, six hundred twenty-nine thousand, three hundred eighty-eight".