264430542 has 16 divisors (see below), whose sum is σ = 532667520. Its totient is φ = 87509112.

The previous prime is 264430531. The next prime is 264430553. The reversal of 264430542 is 245034462.

It is an interprime number because it is at equal distance from previous prime (264430531) and next prime (264430553).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157698 + ... + 159365.

It is an arithmetic number, because the mean of its divisors is an integer number (33291720).

Almost surely, 2^264430542 is an apocalyptic number.

264430542 is an abundant number, since it is smaller than the sum of its proper divisors (268236978).

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

264430542 is a wasteful number, since it uses less digits than its factorization.

264430542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317207.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 264430542 is about 16261.3204260909. The cubic root of 264430542 is about 641.8554084755.

The spelling of 264430542 in words is "two hundred sixty-four million, four hundred thirty thousand, five hundred forty-two".