28910959104 has 320 divisors, whose sum is σ = 83154677760. Its totient is φ = 8908800000.

The previous prime is 28910959081. The next prime is 28910959117. The reversal of 28910959104 is 40195901982.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115182979 + ... + 115183229.

It is an arithmetic number, because the mean of its divisors is an integer number (259858368).

Almost surely, 2^28910959104 is an apocalyptic number.

28910959104 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 28910959104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41577338880).

28910959104 is an abundant number, since it is smaller than the sum of its proper divisors (54243718656).

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

28910959104 is a wasteful number, since it uses less digits than its factorization.

28910959104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 48.

The spelling of 28910959104 in words is "twenty-eight billion, nine hundred ten million, nine hundred fifty-nine thousand, one hundred four".