28429411984 has 20 divisors (see below), whose sum is σ = 58322103084. Its totient is φ = 13378546688.

The previous prime is 28429411943. The next prime is 28429411987. The reversal of 28429411984 is 48911492482.

It can be written as a sum of positive squares in 2 ways, for example, as 23341728400 + 5087683584 = 152780^2 + 71328^2 .

It is not an unprimeable number, because it can be changed into a prime (28429411987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52259677 + ... + 52260220.

Almost surely, 2^28429411984 is an apocalyptic number.

It is an amenable number.

28429411984 is an abundant number, since it is smaller than the sum of its proper divisors (29892691100).

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

28429411984 is a wasteful number, since it uses less digits than its factorization.

28429411984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104519922 (or 104519916 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 52.

The spelling of 28429411984 in words is "twenty-eight billion, four hundred twenty-nine million, four hundred eleven thousand, nine hundred eighty-four".