632440845 has 32 divisors (see below), whose sum is σ = 1163116800. Its totient is φ = 325668672.

The previous prime is 632440813. The next prime is 632440849. The reversal of 632440845 is 548044236.

It is not a de Polignac number, because 632440845 - 2⁵ = 632440813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632440849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76857 + ... + 84686.

It is an arithmetic number, because the mean of its divisors is an integer number (36347400).

Almost surely, 2^632440845 is an apocalyptic number.

It is an amenable number.

632440845 is a deficient number, since it is larger than the sum of its proper divisors (530675955).

632440845 is a wasteful number, since it uses less digits than its factorization.

632440845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161586 (or 161580 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 632440845 is about 25148.3765877641. The cubic root of 632440845 is about 858.3675744240.

The spelling of 632440845 in words is "six hundred thirty-two million, four hundred forty thousand, eight hundred forty-five".