4509456 has 40 divisors (see below), whose sum is σ = 13314624. Its totient is φ = 1288320.

The previous prime is 4509451. The next prime is 4509457. The reversal of 4509456 is 6549054.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (4509451) 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, 6375 + ... + 7046.

Almost surely, 2^4509456 is an apocalyptic number.

It is an amenable number.

4509456 is an abundant number, since it is smaller than the sum of its proper divisors (8805168).

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

4509456 is a wasteful number, since it uses less digits than its factorization.

4509456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13439 (or 13433 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 4509456 is about 2123.5479744993. The cubic root of 4509456 is about 165.2119223691.

It can be divided in two parts, 45094 and 56, that added together give a triangular number (45150 = T₃₀₀).

The spelling of 4509456 in words is "four million, five hundred nine thousand, four hundred fifty-six".