632570140 has 24 divisors (see below), whose sum is σ = 1360798992. Its totient is φ = 246856320.

The previous prime is 632570137. The next prime is 632570149. The reversal of 632570140 is 41075236.

It is a junction number, because it is equal to n+sod(n) for n = 632570099 and 632570108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632570149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384894 + ... + 386533.

It is an arithmetic number, because the mean of its divisors is an integer number (56699958).

Almost surely, 2^632570140 is an apocalyptic number.

It is an amenable number.

632570140 is an abundant number, since it is smaller than the sum of its proper divisors (728228852).

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

632570140 is a wasteful number, since it uses less digits than its factorization.

632570140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771477 (or 771475 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 632570140 is about 25150.9470994633. The cubic root of 632570140 is about 858.4260647815.

The spelling of 632570140 in words is "six hundred thirty-two million, five hundred seventy thousand, one hundred forty".