28374493032 has 96 divisors (see below), whose sum is σ = 78249487680. Its totient is φ = 9286548480.

The previous prime is 28374493027. The next prime is 28374493057. The reversal of 28374493032 is 23039447382.

It is a super-2 number, since 2×28374493032² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1490808 + ... + 1509720.

It is an arithmetic number, because the mean of its divisors is an integer number (815098830).

Almost surely, 2^28374493032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28374493032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39124743840).

28374493032 is an abundant number, since it is smaller than the sum of its proper divisors (49874994648).

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

28374493032 is a wasteful number, since it uses less digits than its factorization.

28374493032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19303 (or 19296 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 28374493032 in words is "twenty-eight billion, three hundred seventy-four million, four hundred ninety-three thousand, thirty-two".