264093390 has 72 divisors (see below), whose sum is σ = 754770744. Its totient is φ = 64020000.

The previous prime is 264093359. The next prime is 264093391. The reversal of 264093390 is 93390462.

It is a happy number.

264093390 is a `hidden beast` number, since 2 + 640 + 9 + 3 + 3 + 9 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264093391) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1236 + ... + 23015.

It is an arithmetic number, because the mean of its divisors is an integer number (10482927).

Almost surely, 2^264093390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264093390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377385372).

264093390 is an abundant number, since it is smaller than the sum of its proper divisors (490677354).

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

264093390 is a wasteful number, since it uses less digits than its factorization.

264093390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24286 (or 24272 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 264093390 is about 16250.9504337439. The cubic root of 264093390 is about 641.5825014325.

The spelling of 264093390 in words is "two hundred sixty-four million, ninety-three thousand, three hundred ninety".