4620440624646 has 64 divisors (see below), whose sum is σ = 11521929609216. Its totient is φ = 1200027895200.

The previous prime is 4620440624627. The next prime is 4620440624713. The reversal of 4620440624646 is 6464260440264.

It is a junction number, because it is equal to n+sod(n) for n = 4620440624595 and 4620440624604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6180501 + ... + 6887631.

It is an arithmetic number, because the mean of its divisors is an integer number (180030150144).

Almost surely, 2^{4620440624646} is an apocalyptic number.

4620440624646 is an abundant number, since it is smaller than the sum of its proper divisors (6901488984570).

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

4620440624646 is a wasteful number, since it uses less digits than its factorization.

4620440624646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721297.

The product of its (nonzero) digits is 5308416, while the sum is 48.

The spelling of 4620440624646 in words is "four trillion, six hundred twenty billion, four hundred forty million, six hundred twenty-four thousand, six hundred forty-six".