264742242 has 16 divisors (see below), whose sum is σ = 530010432. Its totient is φ = 88159760.

The previous prime is 264742187. The next prime is 264742243. The reversal of 264742242 is 242247462.

It is not an unprimeable number, because it can be changed into a prime (264742243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15213 + ... + 27584.

It is an arithmetic number, because the mean of its divisors is an integer number (33125652).

Almost surely, 2^264742242 is an apocalyptic number.

264742242 is an abundant number, since it is smaller than the sum of its proper divisors (265268190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264742242 is a wasteful number, since it uses less digits than its factorization.

264742242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43833.

The product of its digits is 43008, while the sum is 33.

The square root of 264742242 is about 16270.9016959725. The cubic root of 264742242 is about 642.1075071561.

The spelling of 264742242 in words is "two hundred sixty-four million, seven hundred forty-two thousand, two hundred forty-two".