42718831790 has 16 divisors (see below), whose sum is σ = 77383670112. Its totient is φ = 16978694304.

The previous prime is 42718831783. The next prime is 42718831817. The reversal of 42718831790 is 9713881724.

It is a happy number.

It is a congruent 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, 13603154 + ... + 13606293.

It is an arithmetic number, because the mean of its divisors is an integer number (4836479382).

Almost surely, 2^42718831790 is an apocalyptic number.

42718831790 is a deficient number, since it is larger than the sum of its proper divisors (34664838322).

42718831790 is a wasteful number, since it uses less digits than its factorization.

42718831790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27209611.

The product of its (nonzero) digits is 677376, while the sum is 50.

The spelling of 42718831790 in words is "forty-two billion, seven hundred eighteen million, eight hundred thirty-one thousand, seven hundred ninety".