264790782 has 24 divisors (see below), whose sum is σ = 594963096. Its totient is φ = 88263432.

The previous prime is 264790781. The next prime is 264790787. The reversal of 264790782 is 287097462.

It is a super-2 number, since 2×264790782² = 140228316464343048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264790781) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 271933 + ... + 272904.

It is an arithmetic number, because the mean of its divisors is an integer number (24790129).

Almost surely, 2^264790782 is an apocalyptic number.

264790782 is an abundant number, since it is smaller than the sum of its proper divisors (330172314).

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

264790782 is an equidigital number, since it uses as much as digits as its factorization.

264790782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544854 (or 544842 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 264790782 is about 16272.3932474606. The cubic root of 264790782 is about 642.1467478322.

The spelling of 264790782 in words is "two hundred sixty-four million, seven hundred ninety thousand, seven hundred eighty-two".