355056420644 has 24 divisors (see below), whose sum is σ = 653493996288. Its totient is φ = 168559953120.

The previous prime is 355056420601. The next prime is 355056420673. The reversal of 355056420644 is 446024650553.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 355056420595 and 355056420604.

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, 27006242 + ... + 27019385.

It is an arithmetic number, because the mean of its divisors is an integer number (27228916512).

Almost surely, 2^355056420644 is an apocalyptic number.

It is an amenable number.

355056420644 is a deficient number, since it is larger than the sum of its proper divisors (298437575644).

355056420644 is a wasteful number, since it uses less digits than its factorization.

355056420644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54025715 (or 54025713 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 355056420644 in words is "three hundred fifty-five billion, fifty-six million, four hundred twenty thousand, six hundred forty-four".