28403706328324 has 12 divisors (see below), whose sum is σ = 50023087897804. Its totient is φ = 14111395500384.

The previous prime is 28403706328301. The next prime is 28403706328339. The reversal of 28403706328324 is 42382360730482.

It can be written as a sum of positive squares in 2 ways, for example, as 20325832862724 + 8077873465600 = 4508418^2 + 2842160^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22614415239 + ... + 22614416494.

Almost surely, 2^{28403706328324} is an apocalyptic number.

It is an amenable number.

28403706328324 is a deficient number, since it is larger than the sum of its proper divisors (21619381569480).

28403706328324 is a wasteful number, since it uses less digits than its factorization.

28403706328324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45228831894 (or 45228831892 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 52.

The spelling of 28403706328324 in words is "twenty-eight trillion, four hundred three billion, seven hundred six million, three hundred twenty-eight thousand, three hundred twenty-four".