28862556480 has 1008 divisors, whose sum is σ = 117392281344. Its totient is φ = 6471843840.

The previous prime is 28862556439. The next prime is 28862556491. The reversal of 28862556480 is 8465526882.

It is a happy number.

28862556480 is a `hidden beast` number, since 2 + 8 + 8 + 6 + 2 + 556 + 4 + 80 = 666.

It is a super-2 number, since 2×28862556480² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 406514845 + ... + 406514915.

Almost surely, 2^28862556480 is an apocalyptic number.

28862556480 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 28862556480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58696140672).

28862556480 is an abundant number, since it is smaller than the sum of its proper divisors (88529724864).

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

28862556480 is a wasteful number, since it uses less digits than its factorization.

28862556480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 54.

The spelling of 28862556480 in words is "twenty-eight billion, eight hundred sixty-two million, five hundred fifty-six thousand, four hundred eighty".