22726424840 has 64 divisors (see below), whose sum is σ = 61877001600. Its totient is φ = 7333567488.

The previous prime is 22726424767. The next prime is 22726424893. The reversal of 22726424840 is 4842462722.

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, 2382470 + ... + 2391989.

It is an arithmetic number, because the mean of its divisors is an integer number (966828150).

Almost surely, 2^22726424840 is an apocalyptic number.

22726424840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22726424840 is an abundant number, since it is smaller than the sum of its proper divisors (39150576760).

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

22726424840 is a wasteful number, since it uses less digits than its factorization.

22726424840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774494 (or 4774490 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 41.

The spelling of 22726424840 in words is "twenty-two billion, seven hundred twenty-six million, four hundred twenty-four thousand, eight hundred forty".