631106560740 has 48 divisors (see below), whose sum is σ = 1776254352768. Its totient is φ = 167423084544.

The previous prime is 631106560717. The next prime is 631106560741. The reversal of 631106560740 is 47065601136.

It is not an unprimeable number, because it can be changed into a prime (631106560741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27238272 + ... + 27261431.

It is an arithmetic number, because the mean of its divisors is an integer number (37005299016).

Almost surely, 2^631106560740 is an apocalyptic number.

631106560740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

631106560740 is an abundant number, since it is smaller than the sum of its proper divisors (1145147792028).

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

631106560740 is a wasteful number, since it uses less digits than its factorization.

631106560740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54499908 (or 54499906 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 631106560740 in words is "six hundred thirty-one billion, one hundred six million, five hundred sixty thousand, seven hundred forty".