28342557324 has 18 divisors (see below), whose sum is σ = 71643686660. Its totient is φ = 9447519096.

The previous prime is 28342557319. The next prime is 28342557337. The reversal of 28342557324 is 42375524382.

28342557324 is a `hidden beast` number, since 2 + 8 + 34 + 25 + 573 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 28342557324.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 393646594 + ... + 393646665.

Almost surely, 2^28342557324 is an apocalyptic number.

It is an amenable number.

28342557324 is an abundant number, since it is smaller than the sum of its proper divisors (43301129336).

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

28342557324 is a wasteful number, since it uses less digits than its factorization.

28342557324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787293269 (or 787293264 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 45.

The spelling of 28342557324 in words is "twenty-eight billion, three hundred forty-two million, five hundred fifty-seven thousand, three hundred twenty-four".