42791203578888 has 108 divisors (see below), whose sum is σ = 118794758393805. Its totient is φ = 13915098476160.

The previous prime is 42791203578833. The next prime is 42791203578941. The reversal of 42791203578888 is 88887530219724.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

42791203578888 is a `hidden beast` number, since 4 + 2 + 79 + 120 + 357 + 8 + 8 + 88 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30559690598724 + 12231512980164 = 5528082^2 + 3497358^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4625538.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2275755295 + ... + 2275774097.

Almost surely, 2^{42791203578888} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42791203578888

42791203578888 is an abundant number, since it is smaller than the sum of its proper divisors (76003554814917).

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

42791203578888 is an frugal number, since it uses more digits than its factorization.

42791203578888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37700 (or 18849 counting only the distinct ones).

The product of its (nonzero) digits is 433520640, while the sum is 72.

42791203578888 divided by its sum of digits (72) gives a square (594322271929 = 770923²).

The spelling of 42791203578888 in words is "forty-two trillion, seven hundred ninety-one billion, two hundred three million, five hundred seventy-eight thousand, eight hundred eighty-eight".