4644642206460 has 24 divisors (see below), whose sum is σ = 13004998178256. Its totient is φ = 1238571255040.

The previous prime is 4644642206437. The next prime is 4644642206507. The reversal of 4644642206460 is 646022464464.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 38705351661 + ... + 38705351780.

It is an arithmetic number, because the mean of its divisors is an integer number (541874924094).

Almost surely, 2^{4644642206460} is an apocalyptic number.

It is an amenable number.

4644642206460 is an abundant number, since it is smaller than the sum of its proper divisors (8360355971796).

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

4644642206460 is a wasteful number, since it uses less digits than its factorization.

4644642206460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77410703453 (or 77410703451 counting only the distinct ones).

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

The spelling of 4644642206460 in words is "four trillion, six hundred forty-four billion, six hundred forty-two million, two hundred six thousand, four hundred sixty".