264680040 has 32 divisors (see below), whose sum is σ = 794040480. Its totient is φ = 70581312.

The previous prime is 264680029. The next prime is 264680057. The reversal of 264680040 is 40086462.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102714 + ... + 1102953.

It is an arithmetic number, because the mean of its divisors is an integer number (24813765).

Almost surely, 2^264680040 is an apocalyptic number.

264680040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264680040 is an abundant number, since it is smaller than the sum of its proper divisors (529360440).

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

264680040 is a wasteful number, since it uses less digits than its factorization.

264680040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205681 (or 2205677 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 264680040 is about 16268.9901346088. The cubic root of 264680040 is about 642.0572148425.

The spelling of 264680040 in words is "two hundred sixty-four million, six hundred eighty thousand, forty".