42253025066 has 16 divisors (see below), whose sum is σ = 73911998400. Its totient is φ = 18108439020.

The previous prime is 42253025021. The next prime is 42253025093. The reversal of 42253025066 is 66052035224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30795980 + ... + 30797351.

It is an arithmetic number, because the mean of its divisors is an integer number (4619499900).

Almost surely, 2^42253025066 is an apocalyptic number.

42253025066 is a deficient number, since it is larger than the sum of its proper divisors (31658973334).

42253025066 is an equidigital number, since it uses as much as digits as its factorization.

42253025066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61593354 (or 61593340 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 42253025066 in words is "forty-two billion, two hundred fifty-three million, twenty-five thousand, sixty-six".