42725878734018 has 64 divisors (see below), whose sum is σ = 93607690176000. Its totient is φ = 12940681549824.

The previous prime is 42725878733981. The next prime is 42725878734059. The reversal of 42725878734018 is 81043787852724.

It is a self number, because there is not a number n which added to its sum of digits gives 42725878734018.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28885063 + ... + 30328181.

It is an arithmetic number, because the mean of its divisors is an integer number (1462620159000).

Almost surely, 2^{42725878734018} is an apocalyptic number.

42725878734018 is an abundant number, since it is smaller than the sum of its proper divisors (50881811441982).

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

42725878734018 is a wasteful number, since it uses less digits than its factorization.

42725878734018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453179.

The product of its (nonzero) digits is 168591360, while the sum is 66.

The spelling of 42725878734018 in words is "forty-two trillion, seven hundred twenty-five billion, eight hundred seventy-eight million, seven hundred thirty-four thousand, eighteen".