42647589792 has 36 divisors (see below), whose sum is σ = 121279084290. Its totient is φ = 14215863168.

The previous prime is 42647589781. The next prime is 42647589833. The reversal of 42647589792 is 29798574624.

42647589792 is a `hidden beast` number, since 4 + 2 + 6 + 47 + 589 + 7 + 9 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37544487696 + 5103102096 = 193764^2 + 71436^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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, 74040667 + ... + 74041242.

Almost surely, 2^42647589792 is an apocalyptic number.

It is an amenable number.

42647589792 is an abundant number, since it is smaller than the sum of its proper divisors (78631494498).

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

42647589792 is a wasteful number, since it uses less digits than its factorization.

42647589792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148081925 (or 148081914 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 42647589792 in words is "forty-two billion, six hundred forty-seven million, five hundred eighty-nine thousand, seven hundred ninety-two".