3638580632 has 16 divisors (see below), whose sum is σ = 6823073400. Its totient is φ = 1819094400.

The previous prime is 3638580619. The next prime is 3638580641. The reversal of 3638580632 is 2360858363.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81344 + ... + 117872.

Almost surely, 2^3638580632 is an apocalyptic number.

It is an amenable number.

3638580632 is a deficient number, since it is larger than the sum of its proper divisors (3184492768).

3638580632 is a wasteful number, since it uses less digits than its factorization.

3638580632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48986 (or 48982 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The square root of 3638580632 is about 60320.6484713154. The cubic root of 3638580632 is about 1538.0743672198.

The spelling of 3638580632 in words is "three billion, six hundred thirty-eight million, five hundred eighty thousand, six hundred thirty-two".