28242592364 has 18 divisors (see below), whose sum is σ = 57493849140. Its totient is φ = 12103968072.

The previous prime is 28242592349. The next prime is 28242592373. The reversal of 28242592364 is 46329524282.

It is a happy number.

It is a super-2 number, since 2×28242592364² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72047234 + ... + 72047625.

It is an arithmetic number, because the mean of its divisors is an integer number (3194102730).

Almost surely, 2^28242592364 is an apocalyptic number.

It is an amenable number.

28242592364 is an abundant number, since it is smaller than the sum of its proper divisors (29251256776).

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

28242592364 is a wasteful number, since it uses less digits than its factorization.

28242592364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144094877 (or 144094868 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 47.

The spelling of 28242592364 in words is "twenty-eight billion, two hundred forty-two million, five hundred ninety-two thousand, three hundred sixty-four".