264392340 has 24 divisors (see below), whose sum is σ = 740298720. Its totient is φ = 70504608.

The previous prime is 264392329. The next prime is 264392341. The reversal of 264392340 is 43293462.

264392340 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264392341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2203210 + ... + 2203329.

It is an arithmetic number, because the mean of its divisors is an integer number (30845780).

Almost surely, 2^264392340 is an apocalyptic number.

264392340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264392340 is an abundant number, since it is smaller than the sum of its proper divisors (475906380).

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

264392340 is a wasteful number, since it uses less digits than its factorization.

264392340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406551 (or 4406549 counting only the distinct ones).

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

The square root of 264392340 is about 16260.1457558043. The cubic root of 264392340 is about 641.8244975968.

The spelling of 264392340 in words is "two hundred sixty-four million, three hundred ninety-two thousand, three hundred forty".