2645332632 has 48 divisors (see below), whose sum is σ = 7169370000. Its totient is φ = 881171136.

The previous prime is 2645332607. The next prime is 2645332667. The reversal of 2645332632 is 2362335462.

2645332632 is a `hidden beast` number, since 2 + 64 + 533 + 2 + 63 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99669 + ... + 123387.

It is an arithmetic number, because the mean of its divisors is an integer number (149361875).

Almost surely, 2^2645332632 is an apocalyptic number.

It is an amenable number.

2645332632 is an abundant number, since it is smaller than the sum of its proper divisors (4524037368).

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

2645332632 is a wasteful number, since it uses less digits than its factorization.

2645332632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25280 (or 25273 counting only the distinct ones).

The product of its digits is 155520, while the sum is 36.

The square root of 2645332632 is about 51432.7972406712. The cubic root of 2645332632 is about 1383.0145944821.

The spelling of 2645332632 in words is "two billion, six hundred forty-five million, three hundred thirty-two thousand, six hundred thirty-two".