42604031155 has 16 divisors (see below), whose sum is σ = 58820529600. Its totient is φ = 29018120832.

The previous prime is 42604031123. The next prime is 42604031161. The reversal of 42604031155 is 55113040624.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42604031155 - 2⁵ = 42604031123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4079544 + ... + 4089973.

It is an arithmetic number, because the mean of its divisors is an integer number (3676283100).

Almost surely, 2^42604031155 is an apocalyptic number.

42604031155 is a deficient number, since it is larger than the sum of its proper divisors (16216498445).

42604031155 is a wasteful number, since it uses less digits than its factorization.

42604031155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8169678.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 42604031155 its reverse (55113040624), we get a palindrome (97717071779).

The spelling of 42604031155 in words is "forty-two billion, six hundred four million, thirty-one thousand, one hundred fifty-five".