42052405345 has 16 divisors (see below), whose sum is σ = 51657040512. Its totient is φ = 32846446080.

The previous prime is 42052405337. The next prime is 42052405357. The reversal of 42052405345 is 54350425024.

It is not a de Polignac number, because 42052405345 - 2³ = 42052405337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42052405345.

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, 519780 + ... + 595210.

It is an arithmetic number, because the mean of its divisors is an integer number (3228565032).

Almost surely, 2^42052405345 is an apocalyptic number.

It is an amenable number.

42052405345 is a deficient number, since it is larger than the sum of its proper divisors (9604635167).

42052405345 is a wasteful number, since it uses less digits than its factorization.

42052405345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78072.

The product of its (nonzero) digits is 96000, while the sum is 34.

The spelling of 42052405345 in words is "forty-two billion, fifty-two million, four hundred five thousand, three hundred forty-five".