525140660242 has 64 divisors (see below), whose sum is σ = 926139456000. Its totient is φ = 220745710080.

The previous prime is 525140660201. The next prime is 525140660243. The reversal of 525140660242 is 242066041525.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (525140660243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33549634 + ... + 33565282.

It is an arithmetic number, because the mean of its divisors is an integer number (14470929000).

Almost surely, 2^525140660242 is an apocalyptic number.

525140660242 is a deficient number, since it is larger than the sum of its proper divisors (400998795758).

525140660242 is a wasteful number, since it uses less digits than its factorization.

525140660242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17591.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 525140660242 in words is "five hundred twenty-five billion, one hundred forty million, six hundred sixty thousand, two hundred forty-two".