42423570052 has 6 divisors (see below), whose sum is σ = 74241247598. Its totient is φ = 21211785024.

The previous prime is 42423570043. The next prime is 42423570109. The reversal of 42423570052 is 25007532424.

It can be written as a sum of positive squares in only one way, i.e., 22841485956 + 19582084096 = 151134^2 + 139936^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5302946253 + ... + 5302946260.

Almost surely, 2^42423570052 is an apocalyptic number.

It is an amenable number.

42423570052 is a deficient number, since it is larger than the sum of its proper divisors (31817677546).

42423570052 is a wasteful number, since it uses less digits than its factorization.

42423570052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10605892517 (or 10605892515 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 34.

The spelling of 42423570052 in words is "forty-two billion, four hundred twenty-three million, five hundred seventy thousand, fifty-two".