632205990 has 48 divisors (see below), whose sum is σ = 1770180048. Its totient is φ = 155619648.

The previous prime is 632205967. The next prime is 632205997. The reversal of 632205990 is 99502236.

632205990 is a `hidden beast` number, since 63 + 2 + 2 + 0 + 599 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632205997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269004 + ... + 271343.

It is an arithmetic number, because the mean of its divisors is an integer number (36878751).

Almost surely, 2^632205990 is an apocalyptic number.

632205990 is an abundant number, since it is smaller than the sum of its proper divisors (1137974058).

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

632205990 is a wasteful number, since it uses less digits than its factorization.

632205990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540373 (or 540370 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 632205990 is about 25143.7067673006. The cubic root of 632205990 is about 858.2613105328.

The spelling of 632205990 in words is "six hundred thirty-two million, two hundred five thousand, nine hundred ninety".