2152632636 has 72 divisors (see below), whose sum is σ = 6784063104. Its totient is φ = 559124640.

The previous prime is 2152632631. The next prime is 2152632637. The reversal of 2152632636 is 6362362512.

2152632636 is a `hidden beast` number, since 2 + 15 + 2 + 6 + 3 + 2 + 636 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2152632636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152632631) 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, 385510 + ... + 391053.

Almost surely, 2^2152632636 is an apocalyptic number.

It is an amenable number.

2152632636 is an abundant number, since it is smaller than the sum of its proper divisors (4631430468).

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

2152632636 is a wasteful number, since it uses less digits than its factorization.

2152632636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776591 (or 776586 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 2152632636 is about 46396.4722365828. The cubic root of 2152632636 is about 1291.1894635639.

The spelling of 2152632636 in words is "two billion, one hundred fifty-two million, six hundred thirty-two thousand, six hundred thirty-six".