28526400284 has 6 divisors (see below), whose sum is σ = 49921200504. Its totient is φ = 14263200140.

The previous prime is 28526400277. The next prime is 28526400317. The reversal of 28526400284 is 48200462582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3565800032 + ... + 3565800039.

It is an arithmetic number, because the mean of its divisors is an integer number (8320200084).

Almost surely, 2^28526400284 is an apocalyptic number.

It is an amenable number.

28526400284 is a deficient number, since it is larger than the sum of its proper divisors (21394800220).

28526400284 is a wasteful number, since it uses less digits than its factorization.

28526400284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7131600075 (or 7131600073 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 41.

The spelling of 28526400284 in words is "twenty-eight billion, five hundred twenty-six million, four hundred thousand, two hundred eighty-four".