22740519864 has 16 divisors (see below), whose sum is σ = 56851299720. Its totient is φ = 7580173280.

The previous prime is 22740519847. The next prime is 22740519899. The reversal of 22740519864 is 46891504722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473760807 + ... + 473760854.

Almost surely, 2^22740519864 is an apocalyptic number.

22740519864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22740519864 is an abundant number, since it is smaller than the sum of its proper divisors (34110779856).

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

22740519864 is a wasteful number, since it uses less digits than its factorization.

22740519864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947521670 (or 947521666 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 22740519864 in words is "twenty-two billion, seven hundred forty million, five hundred nineteen thousand, eight hundred sixty-four".