321626224042 has 4 divisors (see below), whose sum is σ = 482439336066. Its totient is φ = 160813112020.

The previous prime is 321626224037. The next prime is 321626224103. The reversal of 321626224042 is 240422626123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 161042492601 + 160583731441 = 401301^2 + 400729^2 .

It is a junction number, because it is equal to n+sod(n) for n = 321626223989 and 321626224007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80406556009 + ... + 80406556012.

Almost surely, 2^321626224042 is an apocalyptic number.

321626224042 is a deficient number, since it is larger than the sum of its proper divisors (160813112024).

321626224042 is a wasteful number, since it uses less digits than its factorization.

321626224042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160813112023.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 321626224042 in words is "three hundred twenty-one billion, six hundred twenty-six million, two hundred twenty-four thousand, forty-two".