42088155518 has 32 divisors (see below), whose sum is σ = 67524062400. Its totient is φ = 19606073344.

The previous prime is 42088155497. The next prime is 42088155521. The reversal of 42088155518 is 81555188024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1659638 + ... + 1684806.

It is an arithmetic number, because the mean of its divisors is an integer number (2110126950).

Almost surely, 2^42088155518 is an apocalyptic number.

42088155518 is a deficient number, since it is larger than the sum of its proper divisors (25435906882).

42088155518 is a wasteful number, since it uses less digits than its factorization.

42088155518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25684.

The product of its (nonzero) digits is 512000, while the sum is 47.

The spelling of 42088155518 in words is "forty-two billion, eighty-eight million, one hundred fifty-five thousand, five hundred eighteen".