42944560378 has 16 divisors (see below), whose sum is σ = 66396704904. Its totient is φ = 20816516160.

The previous prime is 42944560349. The next prime is 42944560381. The reversal of 42944560378 is 87306544924.

It can be written as a sum of positive squares in 4 ways, for example, as 39623689249 + 3320871129 = 199057^2 + 57627^2 .

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, 1027033 + ... + 1068028.

Almost surely, 2^42944560378 is an apocalyptic number.

42944560378 is a deficient number, since it is larger than the sum of its proper divisors (23452144526).

42944560378 is a wasteful number, since it uses less digits than its factorization.

42944560378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095377.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 42944560378 in words is "forty-two billion, nine hundred forty-four million, five hundred sixty thousand, three hundred seventy-eight".