264386742 has 8 divisors (see below), whose sum is σ = 528773496. Its totient is φ = 88128912.

The previous prime is 264386713. The next prime is 264386743. The reversal of 264386742 is 247683462.

It is a sphenic number, since it is the product of 3 distinct primes.

264386742 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 264386694 and 264386703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264386743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22032223 + ... + 22032234.

It is an arithmetic number, because the mean of its divisors is an integer number (66096687).

Almost surely, 2^264386742 is an apocalyptic number.

264386742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

264386742 is a wasteful number, since it uses less digits than its factorization.

264386742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44064462.

The product of its digits is 387072, while the sum is 42.

The square root of 264386742 is about 16259.9736162148. The cubic root of 264386742 is about 641.8199677645.

The spelling of 264386742 in words is "two hundred sixty-four million, three hundred eighty-six thousand, seven hundred forty-two".