42016465456 has 20 divisors (see below), whose sum is σ = 93036459472. Its totient is φ = 18007056576.

The previous prime is 42016465451. The next prime is 42016465459. The reversal of 42016465456 is 65456461024.

It is not an unprimeable number, because it can be changed into a prime (42016465451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187573395 + ... + 187573618.

Almost surely, 2^42016465456 is an apocalyptic number.

It is an amenable number.

42016465456 is an abundant number, since it is smaller than the sum of its proper divisors (51019994016).

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

42016465456 is a wasteful number, since it uses less digits than its factorization.

42016465456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375147028 (or 375147022 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 42016465456 in words is "forty-two billion, sixteen million, four hundred sixty-five thousand, four hundred fifty-six".