40828569225138 has 12 divisors (see below), whose sum is σ = 88461899987838. Its totient is φ = 13609523075040.

The previous prime is 40828569225137. The next prime is 40828569225163. The reversal of 40828569225138 is 83152296582804.

It is a happy number.

40828569225138 is a `hidden beast` number, since 4 + 0 + 8 + 28 + 5 + 6 + 92 + 2 + 513 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38715113289609 + 2113455935529 = 6222147^2 + 1453773^2 .

It is a super-2 number, since 2×40828569225138² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40828569225137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1134126922903 + ... + 1134126922938.

Almost surely, 2^{40828569225138} is an apocalyptic number.

40828569225138 is an abundant number, since it is smaller than the sum of its proper divisors (47633330762700).

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

40828569225138 is a wasteful number, since it uses less digits than its factorization.

40828569225138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268253845849 (or 2268253845846 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 63.

The spelling of 40828569225138 in words is "forty trillion, eight hundred twenty-eight billion, five hundred sixty-nine million, two hundred twenty-five thousand, one hundred thirty-eight".