361621056 has 56 divisors (see below), whose sum is σ = 979062304. Its totient is φ = 117734400.

The previous prime is 361621033. The next prime is 361621061. The reversal of 361621056 is 650126163.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13645 + ... + 30156.

Almost surely, 2^361621056 is an apocalyptic number.

It is an amenable number.

361621056 is an abundant number, since it is smaller than the sum of its proper divisors (617441248).

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

361621056 is a wasteful number, since it uses less digits than its factorization.

361621056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43859 (or 43849 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 361621056 is about 19016.3365557091. The cubic root of 361621056 is about 712.4448257676. Note that the first 3 decimals are identical.

The spelling of 361621056 in words is "three hundred sixty-one million, six hundred twenty-one thousand, fifty-six".