2051232564 has 24 divisors (see below), whose sum is σ = 4811013760. Its totient is φ = 680200704.

The previous prime is 2051232541. The next prime is 2051232577. The reversal of 2051232564 is 4652321502.

It is a super-2 number, since 2×2051232564² = 8415110063228028192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440524 + ... + 445155.

Almost surely, 2^2051232564 is an apocalyptic number.

It is an amenable number.

2051232564 is an abundant number, since it is smaller than the sum of its proper divisors (2759781196).

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

2051232564 is a wasteful number, since it uses less digits than its factorization.

2051232564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885879 (or 885877 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2051232564 is about 45290.5350376875. The cubic root of 2051232564 is about 1270.5886381984.

The spelling of 2051232564 in words is "two billion, fifty-one million, two hundred thirty-two thousand, five hundred sixty-four".