43240639074 has 16 divisors (see below), whose sum is σ = 86522231712. Its totient is φ = 14406720768.

The previous prime is 43240639049. The next prime is 43240639093. The reversal of 43240639074 is 47093604234.

It is a happy number.

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, 1692664 + ... + 1718019.

It is an arithmetic number, because the mean of its divisors is an integer number (5407639482).

Almost surely, 2^43240639074 is an apocalyptic number.

43240639074 is an abundant number, since it is smaller than the sum of its proper divisors (43281592638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43240639074 is a wasteful number, since it uses less digits than its factorization.

43240639074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412801.

The product of its (nonzero) digits is 435456, while the sum is 42.

The spelling of 43240639074 in words is "forty-three billion, two hundred forty million, six hundred thirty-nine thousand, seventy-four".