42572233064 has 8 divisors (see below), whose sum is σ = 79822937010. Its totient is φ = 21286116528.

The previous prime is 42572233063. The next prime is 42572233087. The reversal of 42572233064 is 46033227524.

It can be written as a sum of positive squares in only one way, i.e., 40063224964 + 2509008100 = 200158^2 + 50090^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (42572233061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2660764559 + ... + 2660764574.

Almost surely, 2^42572233064 is an apocalyptic number.

It is an amenable number.

42572233064 is a deficient number, since it is larger than the sum of its proper divisors (37250703946).

42572233064 is a wasteful number, since it uses less digits than its factorization.

42572233064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5321529139 (or 5321529135 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 38.

The spelling of 42572233064 in words is "forty-two billion, five hundred seventy-two million, two hundred thirty-three thousand, sixty-four".