646226022792 has 64 divisors (see below), whose sum is σ = 1891393257600. Its totient is φ = 180132687360.

The previous prime is 646226022791. The next prime is 646226022797. The reversal of 646226022792 is 297220622646.

It is not an unprimeable number, because it can be changed into a prime (646226022791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46902667 + ... + 46916442.

It is an arithmetic number, because the mean of its divisors is an integer number (29553019650).

Almost surely, 2^646226022792 is an apocalyptic number.

It is an amenable number.

646226022792 is an abundant number, since it is smaller than the sum of its proper divisors (1245167234808).

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

646226022792 is a wasteful number, since it uses less digits than its factorization.

646226022792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93819166 (or 93819162 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 646226022792 in words is "six hundred forty-six billion, two hundred twenty-six million, twenty-two thousand, seven hundred ninety-two".