42540848745 has 16 divisors (see below), whose sum is σ = 68284225152. Its totient is φ = 22615496960.

The previous prime is 42540848723. The next prime is 42540848759. The reversal of 42540848745 is 54784804524.

It is not a de Polignac number, because 42540848745 - 2⁶ = 42540848681 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, 4554912 + ... + 4564241.

It is an arithmetic number, because the mean of its divisors is an integer number (4267764072).

Almost surely, 2^42540848745 is an apocalyptic number.

It is an amenable number.

42540848745 is a deficient number, since it is larger than the sum of its proper divisors (25743376407).

42540848745 is a wasteful number, since it uses less digits than its factorization.

42540848745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9119472.

The product of its (nonzero) digits is 5734400, while the sum is 51.

The spelling of 42540848745 in words is "forty-two billion, five hundred forty million, eight hundred forty-eight thousand, seven hundred forty-five".