22780154880 has 1320 divisors, whose sum is σ = 101650744800. Its totient is φ = 4849238016.

The previous prime is 22780154867. The next prime is 22780154953. The reversal of 22780154880 is 8845108722.

It is a happy number.

22780154880 is a `hidden beast` number, since 2 + 27 + 8 + 0 + 1 + 548 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 386104291 + ... + 386104349.

It is an arithmetic number, because the mean of its divisors is an integer number (77008140).

Almost surely, 2^22780154880 is an apocalyptic number.

22780154880 is a gapful number since it is divisible by the number (20) 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 22780154880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50825372400).

22780154880 is an abundant number, since it is smaller than the sum of its proper divisors (78870589920).

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

22780154880 is a wasteful number, since it uses less digits than its factorization.

22780154880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The spelling of 22780154880 in words is "twenty-two billion, seven hundred eighty million, one hundred fifty-four thousand, eight hundred eighty".