28331240024 has 16 divisors (see below), whose sum is σ = 55916921400. Its totient is φ = 13420060992.

The previous prime is 28331240023. The next prime is 28331240051. The reversal of 28331240024 is 42004213382.

It is a super-2 number, since 2×28331240024² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28331240023) 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, 93194717 + ... + 93195020.

Almost surely, 2^28331240024 is an apocalyptic number.

It is an amenable number.

28331240024 is a deficient number, since it is larger than the sum of its proper divisors (27585681376).

28331240024 is a wasteful number, since it uses less digits than its factorization.

28331240024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186389762 (or 186389758 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 28331240024 in words is "twenty-eight billion, three hundred thirty-one million, two hundred forty thousand, twenty-four".