28880995248 has 240 divisors, whose sum is σ = 96307740672. Its totient is φ = 7905600000.

The previous prime is 28880995229. The next prime is 28880995261. The reversal of 28880995248 is 84259908882.

28880995248 is a `hidden beast` number, since 28 + 8 + 80 + 9 + 9 + 524 + 8 = 666.

It is a super-2 number, since 2×28880995248² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3151473 + ... + 3160623.

Almost surely, 2^28880995248 is an apocalyptic number.

28880995248 is a gapful number since it is divisible by the number (28) 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 28880995248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48153870336).

28880995248 is an abundant number, since it is smaller than the sum of its proper divisors (67426745424).

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

28880995248 is a wasteful number, since it uses less digits than its factorization.

28880995248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9304 (or 9295 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 63.

The spelling of 28880995248 in words is "twenty-eight billion, eight hundred eighty million, nine hundred ninety-five thousand, two hundred forty-eight".