264479405 has 8 divisors (see below), whose sum is σ = 319875072. Its totient is φ = 209917008.

The previous prime is 264479401. The next prime is 264479429. The reversal of 264479405 is 504974462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264479405 - 2² = 264479401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264479401) 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, 207617 + ... + 208886.

It is an arithmetic number, because the mean of its divisors is an integer number (39984384).

Almost surely, 2^264479405 is an apocalyptic number.

It is an amenable number.

264479405 is a deficient number, since it is larger than the sum of its proper divisors (55395667).

264479405 is a wasteful number, since it uses less digits than its factorization.

264479405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416635.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 264479405 is about 16262.8227869580. The cubic root of 264479405 is about 641.8949412881.

The spelling of 264479405 in words is "two hundred sixty-four million, four hundred seventy-nine thousand, four hundred five".