22878048716928 has 320 divisors, whose sum is σ = 72158990211000. Its totient is φ = 7170526937088.

The previous prime is 22878048716927. The next prime is 22878048716953. The reversal of 22878048716928 is 82961784087822.

22878048716928 is a `hidden beast` number, since 2 + 2 + 8 + 7 + 80 + 487 + 1 + 69 + 2 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 21365916139584 + 1512132577344 = 4622328^2 + 1229688^2 .

It is a super-2 number, since 2×22878048716928² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (22878048716927) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 184830676 + ... + 184954412.

Almost surely, 2^{22878048716928} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22878048716928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36079495105500).

22878048716928 is an abundant number, since it is smaller than the sum of its proper divisors (49280941494072).

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

22878048716928 is a wasteful number, since it uses less digits than its factorization.

22878048716928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124829 (or 124808 counting only the distinct ones).

The product of its (nonzero) digits is 346816512, while the sum is 72.

The spelling of 22878048716928 in words is "twenty-two trillion, eight hundred seventy-eight billion, forty-eight million, seven hundred sixteen thousand, nine hundred twenty-eight".