631672237456 has 40 divisors (see below), whose sum is σ = 1318074387840. Its totient is φ = 291526440576.

The previous prime is 631672237411. The next prime is 631672237561. The reversal of 631672237456 is 654732276136.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4857735 + ... + 4986073.

It is an arithmetic number, because the mean of its divisors is an integer number (32951859696).

Almost surely, 2^631672237456 is an apocalyptic number.

It is an amenable number.

631672237456 is an abundant number, since it is smaller than the sum of its proper divisors (686402150384).

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

631672237456 is a wasteful number, since it uses less digits than its factorization.

631672237456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152023 (or 152017 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 52.

The spelling of 631672237456 in words is "six hundred thirty-one billion, six hundred seventy-two million, two hundred thirty-seven thousand, four hundred fifty-six".