264662680 has 16 divisors (see below), whose sum is σ = 595491120. Its totient is φ = 105865056.

The previous prime is 264662677. The next prime is 264662689. The reversal of 264662680 is 86266462.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 6616567 = 264662680 / (2 + 6 + 4 + 6 + 6 + 2 + 6 + 8 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264662689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3308244 + ... + 3308323.

It is an arithmetic number, because the mean of its divisors is an integer number (37218195).

Almost surely, 2^264662680 is an apocalyptic number.

264662680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264662680 is an abundant number, since it is smaller than the sum of its proper divisors (330828440).

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

264662680 is a wasteful number, since it uses less digits than its factorization.

264662680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6616578 (or 6616574 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 264662680 is about 16268.4565955102. The cubic root of 264662680 is about 642.0431773188.

The spelling of 264662680 in words is "two hundred sixty-four million, six hundred sixty-two thousand, six hundred eighty".