28618450352 has 40 divisors (see below), whose sum is σ = 58793112000. Its totient is φ = 13448420352.

The previous prime is 28618450349. The next prime is 28618450423. The reversal of 28618450352 is 25305481682.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118649 + ... + 267047.

It is an arithmetic number, because the mean of its divisors is an integer number (1469827800).

Almost surely, 2^28618450352 is an apocalyptic number.

It is an amenable number.

28618450352 is an abundant number, since it is smaller than the sum of its proper divisors (30174661648).

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

28618450352 is a wasteful number, since it uses less digits than its factorization.

28618450352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149133 (or 149127 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 28618450352 in words is "twenty-eight billion, six hundred eighteen million, four hundred fifty thousand, three hundred fifty-two".