264043740 has 48 divisors (see below), whose sum is σ = 763176960. Its totient is φ = 68139840.

The previous prime is 264043727. The next prime is 264043757. The reversal of 264043740 is 47340462.

264043740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 264043698 and 264043707.

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, 69120 + ... + 72839.

It is an arithmetic number, because the mean of its divisors is an integer number (15899520).

Almost surely, 2^264043740 is an apocalyptic number.

264043740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264043740 is an abundant number, since it is smaller than the sum of its proper divisors (499133220).

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

264043740 is a wasteful number, since it uses less digits than its factorization.

264043740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142002 (or 142000 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 264043740 is about 16249.4227589782. The cubic root of 264043740 is about 641.5422927174.

The spelling of 264043740 in words is "two hundred sixty-four million, forty-three thousand, seven hundred forty".