632870223840 has 120 divisors (see below), whose sum is σ = 2233504544040. Its totient is φ = 168765389568.

The previous prime is 632870223803. The next prime is 632870223857. The reversal of 632870223840 is 48322078236.

632870223840 is a `hidden beast` number, since 632 + 8 + 7 + 0 + 2 + 2 + 3 + 8 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24403330 + ... + 24429249.

It is an arithmetic number, because the mean of its divisors is an integer number (18612537867).

Almost surely, 2^632870223840 is an apocalyptic number.

632870223840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

632870223840 is an abundant number, since it is smaller than the sum of its proper divisors (1600634320200).

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

632870223840 is a wasteful number, since it uses less digits than its factorization.

632870223840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48832606 (or 48832589 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 632870223840 in words is "six hundred thirty-two billion, eight hundred seventy million, two hundred twenty-three thousand, eight hundred forty".