42135388032 has 64 divisors (see below), whose sum is σ = 112727462400. Its totient is φ = 13944067584.

The previous prime is 42135388003. The next prime is 42135388069. The reversal of 42135388032 is 23088353124.

It is a tau number, because it is divible by the number of its divisors (64).

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, 341328 + ... + 448079.

It is an arithmetic number, because the mean of its divisors is an integer number (1761366600).

Almost surely, 2^42135388032 is an apocalyptic number.

It is an amenable number.

42135388032 is an abundant number, since it is smaller than the sum of its proper divisors (70592074368).

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

42135388032 is a wasteful number, since it uses less digits than its factorization.

42135388032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789563 (or 789551 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 42135388032 in words is "forty-two billion, one hundred thirty-five million, three hundred eighty-eight thousand, thirty-two".