42521769696 has 96 divisors (see below), whose sum is σ = 127619331840. Its totient is φ = 12143932416.

The previous prime is 42521769683. The next prime is 42521769713. The reversal of 42521769696 is 69696712524.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1746535 + ... + 1770713.

It is an arithmetic number, because the mean of its divisors is an integer number (1329368040).

Almost surely, 2^42521769696 is an apocalyptic number.

It is an amenable number.

42521769696 is an abundant number, since it is smaller than the sum of its proper divisors (85097562144).

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

42521769696 is a wasteful number, since it uses less digits than its factorization.

42521769696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26816 (or 26808 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 57.

The spelling of 42521769696 in words is "forty-two billion, five hundred twenty-one million, seven hundred sixty-nine thousand, six hundred ninety-six".