631073418144 has 192 divisors, whose sum is σ = 1793723823360. Its totient is φ = 193120174080.

The previous prime is 631073418133. The next prime is 631073418161. The reversal of 631073418144 is 441814370136.

It is a junction number, because it is equal to n+sod(n) for n = 631073418096 and 631073418105.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 294755314 + ... + 294757454.

It is an arithmetic number, because the mean of its divisors is an integer number (9342311580).

Almost surely, 2^631073418144 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 631073418144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (896861911680).

631073418144 is an abundant number, since it is smaller than the sum of its proper divisors (1162650405216).

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

631073418144 is a wasteful number, since it uses less digits than its factorization.

631073418144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343 (or 3335 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 631073418144 in words is "six hundred thirty-one billion, seventy-three million, four hundred eighteen thousand, one hundred forty-four".