621446322236 has 48 divisors (see below), whose sum is σ = 1148943882240. Its totient is φ = 293649572160.

The previous prime is 621446322227. The next prime is 621446322253. The reversal of 621446322236 is 632223644126.

It is a junction number, because it is equal to n+sod(n) for n = 621446322193 and 621446322202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41736785 + ... + 41751671.

It is an arithmetic number, because the mean of its divisors is an integer number (23936330880).

Almost surely, 2^621446322236 is an apocalyptic number.

It is an amenable number.

621446322236 is a deficient number, since it is larger than the sum of its proper divisors (527497560004).

621446322236 is a wasteful number, since it uses less digits than its factorization.

621446322236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22794 (or 22792 counting only the distinct ones).

The product of its digits is 497664, while the sum is 41.

The spelling of 621446322236 in words is "six hundred twenty-one billion, four hundred forty-six million, three hundred twenty-two thousand, two hundred thirty-six".