632406140 has 24 divisors (see below), whose sum is σ = 1360446192. Its totient is φ = 246792320.

The previous prime is 632406101. The next prime is 632406149. The reversal of 632406140 is 41604236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632406149) 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, 384794 + ... + 386433.

It is an arithmetic number, because the mean of its divisors is an integer number (56685258).

Almost surely, 2^632406140 is an apocalyptic number.

It is an amenable number.

632406140 is an abundant number, since it is smaller than the sum of its proper divisors (728040052).

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

632406140 is a wasteful number, since it uses less digits than its factorization.

632406140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771277 (or 771275 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 632406140 is about 25147.6865735200. The cubic root of 632406140 is about 858.3518732498.

The spelling of 632406140 in words is "six hundred thirty-two million, four hundred six thousand, one hundred forty".