22651426493856 has 72 divisors (see below), whose sum is σ = 64922198874624. Its totient is φ = 7491022922880.

The previous prime is 22651426493821. The next prime is 22651426493879. The reversal of 22651426493856 is 65839462415622.

22651426493856 is a `hidden beast` number, since 2 + 2 + 6 + 51 + 42 + 6 + 493 + 8 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 22651426493793 and 22651426493802.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309612190 + ... + 309685341.

It is an arithmetic number, because the mean of its divisors is an integer number (901697206592).

Almost surely, 2^{22651426493856} is an apocalyptic number.

It is an amenable number.

22651426493856 is an abundant number, since it is smaller than the sum of its proper divisors (42270772380768).

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

22651426493856 is a wasteful number, since it uses less digits than its factorization.

22651426493856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619297674 (or 619297663 counting only the distinct ones).

The product of its digits is 149299200, while the sum is 63.

The spelling of 22651426493856 in words is "twenty-two trillion, six hundred fifty-one billion, four hundred twenty-six million, four hundred ninety-three thousand, eight hundred fifty-six".