42774934908 has 12 divisors (see below), whose sum is σ = 99808181480. Its totient is φ = 14258311632.

The previous prime is 42774934889. The next prime is 42774934919. The reversal of 42774934908 is 80943947724.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1782288943 + ... + 1782288966.

Almost surely, 2^42774934908 is an apocalyptic number.

It is an amenable number.

42774934908 is an abundant number, since it is smaller than the sum of its proper divisors (57033246572).

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

42774934908 is a wasteful number, since it uses less digits than its factorization.

42774934908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564577916 (or 3564577914 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 57.

The spelling of 42774934908 in words is "forty-two billion, seven hundred seventy-four million, nine hundred thirty-four thousand, nine hundred eight".