264585740 has 24 divisors (see below), whose sum is σ = 562327920. Its totient is φ = 104558528.

The previous prime is 264585719. The next prime is 264585743. The reversal of 264585740 is 47585462.

264585740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×264585740² = 140011227622695200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (264585743) 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, 78035 + ... + 81354.

It is an arithmetic number, because the mean of its divisors is an integer number (23430330).

Almost surely, 2^264585740 is an apocalyptic number.

264585740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264585740 is an abundant number, since it is smaller than the sum of its proper divisors (297742180).

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

264585740 is a wasteful number, since it uses less digits than its factorization.

264585740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159481 (or 159479 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 264585740 is about 16266.0917248121. The cubic root of 264585740 is about 641.9809552358.

The spelling of 264585740 in words is "two hundred sixty-four million, five hundred eighty-five thousand, seven hundred forty".