42726203664 has 20 divisors (see below), whose sum is σ = 110376026256. Its totient is φ = 14242067872.

The previous prime is 42726203647. The next prime is 42726203749. The reversal of 42726203664 is 46630262724.

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, 445064574 + ... + 445064669.

Almost surely, 2^42726203664 is an apocalyptic number.

It is an amenable number.

42726203664 is an abundant number, since it is smaller than the sum of its proper divisors (67649822592).

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

42726203664 is a wasteful number, since it uses less digits than its factorization.

42726203664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890129254 (or 890129248 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 42.

The spelling of 42726203664 in words is "forty-two billion, seven hundred twenty-six million, two hundred three thousand, six hundred sixty-four".