632045920 has 72 divisors (see below), whose sum is σ = 1641345552. Its totient is φ = 229827840.

The previous prime is 632045917. The next prime is 632045929. The reversal of 632045920 is 29540236.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632045929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3037 + ... + 35683.

It is an arithmetic number, because the mean of its divisors is an integer number (22796466).

Almost surely, 2^632045920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 632045920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (820672776).

632045920 is an abundant number, since it is smaller than the sum of its proper divisors (1009299632).

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

632045920 is a wasteful number, since it uses less digits than its factorization.

632045920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32684 (or 32665 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 632045920 is about 25140.5234631262. The cubic root of 632045920 is about 858.1888692260.

The spelling of 632045920 in words is "six hundred thirty-two million, forty-five thousand, nine hundred twenty".