264006636 has 12 divisors (see below), whose sum is σ = 616015512. Its totient is φ = 88002208.

The previous prime is 264006629. The next prime is 264006643. The reversal of 264006636 is 636600462.

It is an interprime number because it is at equal distance from previous prime (264006629) and next prime (264006643).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 264006597 and 264006606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11000265 + ... + 11000288.

It is an arithmetic number, because the mean of its divisors is an integer number (51334626).

Almost surely, 2^264006636 is an apocalyptic number.

It is an amenable number.

264006636 is an abundant number, since it is smaller than the sum of its proper divisors (352008876).

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

264006636 is a wasteful number, since it uses less digits than its factorization.

264006636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22000560 (or 22000558 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 264006636 is about 16248.2810167722. The cubic root of 264006636 is about 641.5122410041.

The spelling of 264006636 in words is "two hundred sixty-four million, six thousand, six hundred thirty-six".