355056421204 has 24 divisors (see below), whose sum is σ = 643166720000. Its totient is φ = 171370061856.

The previous prime is 355056421183. The next prime is 355056421217. The reversal of 355056421204 is 402124650553.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9426204 + ... + 9463795.

Almost surely, 2^355056421204 is an apocalyptic number.

It is an amenable number.

355056421204 is a deficient number, since it is larger than the sum of its proper divisors (288110298796).

355056421204 is a wasteful number, since it uses less digits than its factorization.

355056421204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18890167 (or 18890165 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 355056421204 in words is "three hundred fifty-five billion, fifty-six million, four hundred twenty-one thousand, two hundred four".