456240869 has 16 divisors (see below), whose sum is σ = 529152000. Its totient is φ = 385302960.

The previous prime is 456240859. The next prime is 456240871. The reversal of 456240869 is 968042654.

It is not a de Polignac number, because 456240869 - 2²⁰ = 455192293 is a prime.

It is a super-2 number, since 2×456240869² = 416311461091750322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456240839) 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 15 ways as a sum of consecutive naturals, for example, 150632 + ... + 153630.

It is an arithmetic number, because the mean of its divisors is an integer number (33072000).

Almost surely, 2^456240869 is an apocalyptic number.

It is an amenable number.

456240869 is a deficient number, since it is larger than the sum of its proper divisors (72911131).

456240869 is a wasteful number, since it uses less digits than its factorization.

456240869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 456240869 is about 21359.7956216814. The cubic root of 456240869 is about 769.8357264672.

The spelling of 456240869 in words is "four hundred fifty-six million, two hundred forty thousand, eight hundred sixty-nine".