22979074464 has 96 divisors (see below), whose sum is σ = 67359600000. Its totient is φ = 7621143552.

The previous prime is 22979074457. The next prime is 22979074493. The reversal of 22979074464 is 46447097922.

22979074464 is a `hidden beast` number, since 2 + 2 + 97 + 90 + 7 + 4 + 464 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 22979074464.

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, 105112 + ... + 238760.

It is an arithmetic number, because the mean of its divisors is an integer number (701662500).

Almost surely, 2^22979074464 is an apocalyptic number.

22979074464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22979074464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33679800000).

22979074464 is an abundant number, since it is smaller than the sum of its proper divisors (44380525536).

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

22979074464 is a wasteful number, since it uses less digits than its factorization.

22979074464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133867 (or 133853 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 22979074464 in words is "twenty-two billion, nine hundred seventy-nine million, seventy-four thousand, four hundred sixty-four".