42066659472 has 20 divisors (see below), whose sum is σ = 108672203760. Its totient is φ = 14022219808.

The previous prime is 42066659461. The next prime is 42066659497. The reversal of 42066659472 is 27495666024.

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, 438194322 + ... + 438194417.

It is an arithmetic number, because the mean of its divisors is an integer number (5433610188).

Almost surely, 2^42066659472 is an apocalyptic number.

It is an amenable number.

42066659472 is an abundant number, since it is smaller than the sum of its proper divisors (66605544288).

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

42066659472 is a wasteful number, since it uses less digits than its factorization.

42066659472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876388750 (or 876388744 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 42066659472 in words is "forty-two billion, sixty-six million, six hundred fifty-nine thousand, four hundred seventy-two".