264331740 has 48 divisors (see below), whose sum is σ = 740976768. Its totient is φ = 70407744.

The previous prime is 264331729. The next prime is 264331751. The reversal of 264331740 is 47133462.

264331740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (264331729) and next prime (264331751).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 264331698 and 264331707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65419 + ... + 69341.

It is an arithmetic number, because the mean of its divisors is an integer number (15437016).

Almost surely, 2^264331740 is an apocalyptic number.

264331740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264331740 is an abundant number, since it is smaller than the sum of its proper divisors (476645028).

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

264331740 is a wasteful number, since it uses less digits than its factorization.

264331740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058 (or 5056 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 264331740 is about 16258.2821970834. The cubic root of 264331740 is about 641.7754574260.

The spelling of 264331740 in words is "two hundred sixty-four million, three hundred thirty-one thousand, seven hundred forty".