42940772696 has 16 divisors (see below), whose sum is σ = 83111173440. Its totient is φ = 20777793120.

The previous prime is 42940772659. The next prime is 42940772701. The reversal of 42940772696 is 69627704924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86573891 + ... + 86574386.

It is an arithmetic number, because the mean of its divisors is an integer number (5194448340).

Almost surely, 2^42940772696 is an apocalyptic number.

It is an amenable number.

42940772696 is a deficient number, since it is larger than the sum of its proper divisors (40170400744).

42940772696 is a wasteful number, since it uses less digits than its factorization.

42940772696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173148314 (or 173148310 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 42940772696 in words is "forty-two billion, nine hundred forty million, seven hundred seventy-two thousand, six hundred ninety-six".