42042652625 has 8 divisors (see below), whose sum is σ = 52469230632. Its totient is φ = 33634122000.

The previous prime is 42042652583. The next prime is 42042652651. The reversal of 42042652625 is 52625624024.

It can be written as a sum of positive squares in 4 ways, for example, as 139334416 + 41903318209 = 11804^2 + 204703^2 .

It is not a de Polignac number, because 42042652625 - 2⁸ = 42042652369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168170486 + ... + 168170735.

It is an arithmetic number, because the mean of its divisors is an integer number (6558653829).

Almost surely, 2^42042652625 is an apocalyptic number.

It is an amenable number.

42042652625 is a deficient number, since it is larger than the sum of its proper divisors (10426578007).

42042652625 is an equidigital number, since it uses as much as digits as its factorization.

42042652625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336341236 (or 336341226 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 42042652625 in words is "forty-two billion, forty-two million, six hundred fifty-two thousand, six hundred twenty-five".