28240293566862 has 72 divisors (see below), whose sum is σ = 66513880942704. Its totient is φ = 8655510269952.

The previous prime is 28240293566827. The next prime is 28240293566867. The reversal of 28240293566862 is 26866539204282.

It is a happy number.

28240293566862 is a `hidden beast` number, since 2 + 8 + 2 + 4 + 0 + 2 + 9 + 3 + 566 + 8 + 62 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 28240293566862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28240293566867) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17279418 + ... + 18843005.

It is an arithmetic number, because the mean of its divisors is an integer number (923803901982).

Almost surely, 2^{28240293566862} is an apocalyptic number.

28240293566862 is an abundant number, since it is smaller than the sum of its proper divisors (38273587375842).

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

28240293566862 is a wasteful number, since it uses less digits than its factorization.

28240293566862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36122714 (or 36122698 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 63.

The spelling of 28240293566862 in words is "twenty-eight trillion, two hundred forty billion, two hundred ninety-three million, five hundred sixty-six thousand, eight hundred sixty-two".