42888408687252 has 54 divisors (see below), whose sum is σ = 112279632823358. Its totient is φ = 13803166004544.

The previous prime is 42888408687169. The next prime is 42888408687253. The reversal of 42888408687252 is 25278680488824.

42888408687252 is a `hidden beast` number, since 4 + 28 + 88 + 408 + 6 + 8 + 72 + 52 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 11527355878416 + 31361052808836 = 3395196^2 + 5600094^2 .

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42888408687253) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 708260263 + ... + 708320814.

Almost surely, 2^{42888408687252} is an apocalyptic number.

It is an amenable number.

42888408687252 is an abundant number, since it is smaller than the sum of its proper divisors (69391224136106).

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

42888408687252 is a wasteful number, since it uses less digits than its factorization.

42888408687252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416581145 (or 1416581111 counting only the distinct ones).

The product of its (nonzero) digits is 880803840, while the sum is 72.

The spelling of 42888408687252 in words is "forty-two trillion, eight hundred eighty-eight billion, four hundred eight million, six hundred eighty-seven thousand, two hundred fifty-two".