631241414544 has 160 divisors (see below), whose sum is σ = 1767117452800. Its totient is φ = 193018484736.

The previous prime is 631241414537. The next prime is 631241414549. The reversal of 631241414544 is 445414142136.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (631241414549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68616057 + ... + 68625255.

It is an arithmetic number, because the mean of its divisors is an integer number (11044484080).

Almost surely, 2^631241414544 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 631241414544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (883558726400).

631241414544 is an abundant number, since it is smaller than the sum of its proper divisors (1135876038256).

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

631241414544 is a wasteful number, since it uses less digits than its factorization.

631241414544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9897 (or 9891 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The spelling of 631241414544 in words is "six hundred thirty-one billion, two hundred forty-one million, four hundred fourteen thousand, five hundred forty-four".