264040626 has 8 divisors (see below), whose sum is σ = 528081264. Its totient is φ = 88013540.

The previous prime is 264040591. The next prime is 264040631. The reversal of 264040626 is 626040462.

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

264040626 is an admirable number.

It is a super-3 number, since 3×264040626³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264040593 and 264040602.

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 3 ways as a sum of consecutive naturals, for example, 22003380 + ... + 22003391.

It is an arithmetic number, because the mean of its divisors is an integer number (66010158).

Almost surely, 2^264040626 is an apocalyptic number.

264040626 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.

264040626 is a wasteful number, since it uses less digits than its factorization.

264040626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44006776.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 264040626 is about 16249.3269399074. The cubic root of 264040626 is about 641.5397706976.

The spelling of 264040626 in words is "two hundred sixty-four million, forty thousand, six hundred twenty-six".