264684642 has 8 divisors (see below), whose sum is σ = 529369296. Its totient is φ = 88228212.

The previous prime is 264684631. The next prime is 264684661. The reversal of 264684642 is 246486462.

264684642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

264684642 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 264684594 and 264684603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22057048 + ... + 22057059.

It is an arithmetic number, because the mean of its divisors is an integer number (66171162).

Almost surely, 2^264684642 is an apocalyptic number.

264684642 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.

264684642 is a wasteful number, since it uses less digits than its factorization.

264684642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44114112.

The product of its digits is 442368, while the sum is 42.

The square root of 264684642 is about 16269.1315687101. The cubic root of 264684642 is about 642.0609359771.

The spelling of 264684642 in words is "two hundred sixty-four million, six hundred eighty-four thousand, six hundred forty-two".