264401343 has 12 divisors (see below), whose sum is σ = 383402448. Its totient is φ = 175580160.

The previous prime is 264401329. The next prime is 264401377. The reversal of 264401343 is 343104462.

264401343 is a `hidden beast` number, since 2 + 644 + 0 + 13 + 4 + 3 = 666.

It is not a de Polignac number, because 264401343 - 2⁴ = 264401327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264401393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54843 + ... + 59468.

It is an arithmetic number, because the mean of its divisors is an integer number (31950204).

Almost surely, 2^264401343 is an apocalyptic number.

264401343 is a deficient number, since it is larger than the sum of its proper divisors (119001105).

264401343 is a wasteful number, since it uses less digits than its factorization.

264401343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114574 (or 114571 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 264401343 is about 16260.4225959844. The cubic root of 264401343 is about 641.8317825789.

The spelling of 264401343 in words is "two hundred sixty-four million, four hundred one thousand, three hundred forty-three".