351380879856 has 120 divisors (see below), whose sum is σ = 1021073040000. Its totient is φ = 112667337216.

The previous prime is 351380879849. The next prime is 351380879887. The reversal of 351380879856 is 658978083153.

It is a junction number, because it is equal to n+sod(n) for n = 351380879793 and 351380879802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 966945 + ... + 1279743.

It is an arithmetic number, because the mean of its divisors is an integer number (8508942000).

Almost surely, 2^351380879856 is an apocalyptic number.

351380879856 is a gapful number since it is divisible by the number (36) 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 351380879856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510536520000).

351380879856 is an abundant number, since it is smaller than the sum of its proper divisors (669692160144).

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

351380879856 is a wasteful number, since it uses less digits than its factorization.

351380879856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313111 (or 313102 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 63.

The spelling of 351380879856 in words is "three hundred fifty-one billion, three hundred eighty million, eight hundred seventy-nine thousand, eight hundred fifty-six".