351620453560 has 16 divisors (see below), whose sum is σ = 791146020600. Its totient is φ = 140648181408.

The previous prime is 351620453519. The next prime is 351620453599. The reversal of 351620453560 is 65354026153.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 8790511339 = 351620453560 / (3 + 5 + 1 + 6 + 2 + 0 + 4 + 5 + 3 + 5 + 6 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4395255630 + ... + 4395255709.

Almost surely, 2^351620453560 is an apocalyptic number.

It is an amenable number.

351620453560 is an abundant number, since it is smaller than the sum of its proper divisors (439525567040).

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

351620453560 is a wasteful number, since it uses less digits than its factorization.

351620453560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8790511350 (or 8790511346 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 351620453560 in words is "three hundred fifty-one billion, six hundred twenty million, four hundred fifty-three thousand, five hundred sixty".