351490776056 has 96 divisors (see below), whose sum is σ = 775952377200. Its totient is φ = 148815636480.

The previous prime is 351490776031. The next prime is 351490776059. The reversal of 351490776056 is 650677094153.

It is a junction number, because it is equal to n+sod(n) for n = 351490775989 and 351490776007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351490776059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21703610 + ... + 21719798.

Almost surely, 2^351490776056 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 351490776056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387976188600).

351490776056 is an abundant number, since it is smaller than the sum of its proper divisors (424461601144).

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

351490776056 is a wasteful number, since it uses less digits than its factorization.

351490776056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16877 (or 16866 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 53.

The spelling of 351490776056 in words is "three hundred fifty-one billion, four hundred ninety million, seven hundred seventy-six thousand, fifty-six".