264349985242 has 24 divisors (see below), whose sum is σ = 485540792640. Its totient is φ = 107330068440.

The previous prime is 264349985231. The next prime is 264349985243. The reversal of 264349985242 is 242589943462.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (264349985243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70983634 + ... + 70987357.

It is an arithmetic number, because the mean of its divisors is an integer number (20230866360).

Almost surely, 2^264349985242 is an apocalyptic number.

264349985242 is a deficient number, since it is larger than the sum of its proper divisors (221190807398).

264349985242 is a wasteful number, since it uses less digits than its factorization.

264349985242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141971026 (or 141971019 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 58.

The spelling of 264349985242 in words is "two hundred sixty-four billion, three hundred forty-nine million, nine hundred eighty-five thousand, two hundred forty-two".