1049656572 has 36 divisors (see below), whose sum is σ = 2692906216. Its totient is φ = 344662560.

The previous prime is 1049656541. The next prime is 1049656579. The reversal of 1049656572 is 2756569401.

1049656572 is a `hidden beast` number, since 10 + 4 + 9 + 6 + 565 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1049656572² = 2203557838285582368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049656579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215179 + ... + 220002.

Almost surely, 2^1049656572 is an apocalyptic number.

1049656572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1049656572 is an abundant number, since it is smaller than the sum of its proper divisors (1643249644).

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

1049656572 is a wasteful number, since it uses less digits than its factorization.

1049656572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435258 (or 435253 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 1049656572 is about 32398.4038495726. The cubic root of 1049656572 is about 1016.2855323606.

The spelling of 1049656572 in words is "one billion, forty-nine million, six hundred fifty-six thousand, five hundred seventy-two".