3632665240 has 32 divisors (see below), whose sum is σ = 8245838880. Its totient is φ = 1440205312.

The previous prime is 3632665237. The next prime is 3632665261. The reversal of 3632665240 is 425662363.

It is a self number, because there is not a number n which added to its sum of digits gives 3632665240.

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, 397324 + ... + 406363.

It is an arithmetic number, because the mean of its divisors is an integer number (257682465).

Almost surely, 2^3632665240 is an apocalyptic number.

It is an amenable number.

3632665240 is an abundant number, since it is smaller than the sum of its proper divisors (4613173640).

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

3632665240 is a wasteful number, since it uses less digits than its factorization.

3632665240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803811 (or 803807 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 37.

The square root of 3632665240 is about 60271.5956317733. The cubic root of 3632665240 is about 1537.2404112823.

The spelling of 3632665240 in words is "three billion, six hundred thirty-two million, six hundred sixty-five thousand, two hundred forty".