1056463641 has 24 divisors (see below), whose sum is σ = 1584046464. Its totient is φ = 703630800.

The previous prime is 1056463633. The next prime is 1056463651. The reversal of 1056463641 is 1463646501.

It is a happy number.

1056463641 is a `hidden beast` number, since 1 + 0 + 5 + 6 + 4 + 6 + 3 + 641 = 666.

It is not a de Polignac number, because 1056463641 - 2³ = 1056463633 is a prime.

It is a super-2 number, since 2×1056463641² = 2232230849509953762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056463596 and 1056463605.

It is not an unprimeable number, because it can be changed into a prime (1056463651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 460800 + ... + 463086.

It is an arithmetic number, because the mean of its divisors is an integer number (66001936).

Almost surely, 2^1056463641 is an apocalyptic number.

It is an amenable number.

1056463641 is a deficient number, since it is larger than the sum of its proper divisors (527582823).

1056463641 is an equidigital number, since it uses as much as digits as its factorization.

1056463641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203 (or 4191 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1056463641 is about 32503.2866184329. The cubic root of 1056463641 is about 1018.4776858774.

The spelling of 1056463641 in words is "one billion, fifty-six million, four hundred sixty-three thousand, six hundred forty-one".