631489174272 has 864 divisors, whose sum is σ = 2240956569600. Its totient is φ = 173717913600.

The previous prime is 631489174249. The next prime is 631489174321. The reversal of 631489174272 is 272471984136.

631489174272 is a `hidden beast` number, since 63 + 148 + 9 + 17 + 427 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 637223697 + ... + 637224687.

Almost surely, 2^631489174272 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 631489174272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1120478284800).

631489174272 is an abundant number, since it is smaller than the sum of its proper divisors (1609467395328).

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

631489174272 is a wasteful number, since it uses less digits than its factorization.

631489174272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1053 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 631489174272 in words is "six hundred thirty-one billion, four hundred eighty-nine million, one hundred seventy-four thousand, two hundred seventy-two".