28950539226240 has 256 divisors, whose sum is σ = 93253365849600. Its totient is φ = 7638797107200.

The previous prime is 28950539226209. The next prime is 28950539226251. The reversal of 28950539226240 is 4262293505982.

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, 306928206 + ... + 307022514.

It is an arithmetic number, because the mean of its divisors is an integer number (364270960350).

Almost surely, 2^{28950539226240} is an apocalyptic number.

28950539226240 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 28950539226240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46626682924800).

28950539226240 is an abundant number, since it is smaller than the sum of its proper divisors (64302826623360).

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

28950539226240 is a wasteful number, since it uses less digits than its factorization.

28950539226240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96015 (or 96003 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 57.

The spelling of 28950539226240 in words is "twenty-eight trillion, nine hundred fifty billion, five hundred thirty-nine million, two hundred twenty-six thousand, two hundred forty".