264285740 has 48 divisors (see below), whose sum is σ = 601346592. Its totient is φ = 97176576.

The previous prime is 264285739. The next prime is 264285761. The reversal of 264285740 is 47582462.

264285740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 264285694 and 264285703.

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, 5582 + ... + 23658.

It is an arithmetic number, because the mean of its divisors is an integer number (12528054).

Almost surely, 2^264285740 is an apocalyptic number.

264285740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264285740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300673296).

264285740 is an abundant number, since it is smaller than the sum of its proper divisors (337060852).

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

264285740 is a wasteful number, since it uses less digits than its factorization.

264285740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18146 (or 18144 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 264285740 is about 16256.8674719332. The cubic root of 264285740 is about 641.7382272096.

The spelling of 264285740 in words is "two hundred sixty-four million, two hundred eighty-five thousand, seven hundred forty".