42990165118 has 8 divisors (see below), whose sum is σ = 64634175648. Its totient is φ = 21445439904.

The previous prime is 42990165079. The next prime is 42990165137. The reversal of 42990165118 is 81156109924.

It is a happy number.

42990165118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24820246 + ... + 24821977.

It is an arithmetic number, because the mean of its divisors is an integer number (8079271956).

Almost surely, 2^42990165118 is an apocalyptic number.

42990165118 is a deficient number, since it is larger than the sum of its proper divisors (21644010530).

42990165118 is a wasteful number, since it uses less digits than its factorization.

42990165118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49642658.

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 42990165118 in words is "forty-two billion, nine hundred ninety million, one hundred sixty-five thousand, one hundred eighteen".