351631322464 has 96 divisors (see below), whose sum is σ = 752049385920. Its totient is φ = 161336727552.

The previous prime is 351631322461. The next prime is 351631322507. The reversal of 351631322464 is 464223136153.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351631322461) 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, 3298542 + ... + 3403474.

It is an arithmetic number, because the mean of its divisors is an integer number (7833847770).

Almost surely, 2^351631322464 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 351631322464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376024692960).

351631322464 is an abundant number, since it is smaller than the sum of its proper divisors (400418063456).

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

351631322464 is a wasteful number, since it uses less digits than its factorization.

351631322464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105152 (or 105144 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

The spelling of 351631322464 in words is "three hundred fifty-one billion, six hundred thirty-one million, three hundred twenty-two thousand, four hundred sixty-four".