631879352244 has 48 divisors (see below), whose sum is σ = 1872235120000. Its totient is φ = 180536957568.

The previous prime is 631879352243. The next prime is 631879352257. The reversal of 631879352244 is 442253978136.

631879352244 is a `hidden beast` number, since 6 + 3 + 1 + 8 + 79 + 3 + 522 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631879352243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417908869 + ... + 417910380.

Almost surely, 2^631879352244 is an apocalyptic number.

It is an amenable number.

631879352244 is an abundant number, since it is smaller than the sum of its proper divisors (1240355767756).

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

631879352244 is a wasteful number, since it uses less digits than its factorization.

631879352244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835819269 (or 835819261 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 631879352244 in words is "six hundred thirty-one billion, eight hundred seventy-nine million, three hundred fifty-two thousand, two hundred forty-four".