42420011995 has 8 divisors (see below), whose sum is σ = 50964691680. Its totient is φ = 33895558080.

The previous prime is 42420011989. The next prime is 42420012017. The reversal of 42420011995 is 59911002424.

42420011995 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 not a de Polignac number, because 42420011995 - 2¹³ = 42420003803 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5051826 + ... + 5060215.

It is an arithmetic number, because the mean of its divisors is an integer number (6370586460).

Almost surely, 2^42420011995 is an apocalyptic number.

42420011995 is a deficient number, since it is larger than the sum of its proper divisors (8544679685).

42420011995 is a wasteful number, since it uses less digits than its factorization.

42420011995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10112885.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 42420011995 in words is "forty-two billion, four hundred twenty million, eleven thousand, nine hundred ninety-five".