264435057 has 8 divisors (see below), whose sum is σ = 391755680. Its totient is φ = 176290020.

The previous prime is 264435049. The next prime is 264435077. The reversal of 264435057 is 750534462.

264435057 is a `hidden beast` number, since 2 + 644 + 3 + 5 + 0 + 5 + 7 = 666.

It is not a de Polignac number, because 264435057 - 2³ = 264435049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264435007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4896919 + ... + 4896972.

It is an arithmetic number, because the mean of its divisors is an integer number (48969460).

Almost surely, 2^264435057 is an apocalyptic number.

264435057 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

264435057 is a deficient number, since it is larger than the sum of its proper divisors (127320623).

264435057 is an equidigital number, since it uses as much as digits as its factorization.

264435057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9793900 (or 9793894 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 264435057 is about 16261.4592518630. The cubic root of 264435057 is about 641.8590615592.

The spelling of 264435057 in words is "two hundred sixty-four million, four hundred thirty-five thousand, fifty-seven".