42324644155 has 4 divisors (see below), whose sum is σ = 50789572992. Its totient is φ = 33859715320.

The previous prime is 42324644147. The next prime is 42324644203. The reversal of 42324644155 is 55144642324.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42324644155 - 2³ = 42324644147 is a prime.

It is a Duffinian 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, 4232464411 + ... + 4232464420.

It is an arithmetic number, because the mean of its divisors is an integer number (12697393248).

Almost surely, 2^42324644155 is an apocalyptic number.

42324644155 is a deficient number, since it is larger than the sum of its proper divisors (8464928837).

42324644155 is an equidigital number, since it uses as much as digits as its factorization.

42324644155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8464928836.

The product of its digits is 460800, while the sum is 40.

The spelling of 42324644155 in words is "forty-two billion, three hundred twenty-four million, six hundred forty-four thousand, one hundred fifty-five".