631452473344 has 192 divisors, whose sum is σ = 1624937932800. Its totient is φ = 238082457600.

The previous prime is 631452473279. The next prime is 631452473347. The reversal of 631452473344 is 443374254136.

It is a junction number, because it is equal to n+sod(n) for n = 631452473294 and 631452473303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631452473347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4823992 + ... + 4953160.

It is an arithmetic number, because the mean of its divisors is an integer number (8463218400).

Almost surely, 2^631452473344 is an apocalyptic number.

631452473344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631452473344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812468966400).

631452473344 is an abundant number, since it is smaller than the sum of its proper divisors (993485459456).

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

631452473344 is a wasteful number, since it uses less digits than its factorization.

631452473344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129240 (or 129220 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 46.

The spelling of 631452473344 in words is "six hundred thirty-one billion, four hundred fifty-two million, four hundred seventy-three thousand, three hundred forty-four".