42016001242788 has 18 divisors (see below), whose sum is σ = 106207114252694. Its totient is φ = 14005333747584.

The previous prime is 42016001242727. The next prime is 42016001242829. The reversal of 42016001242788 is 88724210061024.

42016001242788 is a `hidden beast` number, since 4 + 2 + 0 + 1 + 600 + 12 + 4 + 27 + 8 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22929081018624 + 19086920224164 = 4788432^2 + 4368858^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 583555572781 + ... + 583555572852.

Almost surely, 2^{42016001242788} is an apocalyptic number.

It is an amenable number.

42016001242788 is an abundant number, since it is smaller than the sum of its proper divisors (64191113009906).

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

42016001242788 is a wasteful number, since it uses less digits than its factorization.

42016001242788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167111145643 (or 1167111145638 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 42016001242788 in words is "forty-two trillion, sixteen billion, one million, two hundred forty-two thousand, seven hundred eighty-eight".