28450102452 has 48 divisors (see below), whose sum is σ = 66784798080. Its totient is φ = 9426193408.

The previous prime is 28450102433. The next prime is 28450102469. The reversal of 28450102452 is 25420105482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1649449 + ... + 1666607.

It is an arithmetic number, because the mean of its divisors is an integer number (1391349960).

Almost surely, 2^28450102452 is an apocalyptic number.

It is an amenable number.

28450102452 is an abundant number, since it is smaller than the sum of its proper divisors (38334695628).

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

28450102452 is a wasteful number, since it uses less digits than its factorization.

28450102452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17992 (or 17990 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The spelling of 28450102452 in words is "twenty-eight billion, four hundred fifty million, one hundred two thousand, four hundred fifty-two".