456544491 has 16 divisors (see below), whose sum is σ = 667922976. Its totient is φ = 275648256.

The previous prime is 456544489. The next prime is 456544573. The reversal of 456544491 is 194445654.

It is not a de Polignac number, because 456544491 - 2¹ = 456544489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (456544421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108370 + ... + 112503.

It is an arithmetic number, because the mean of its divisors is an integer number (41745186).

Almost surely, 2^456544491 is an apocalyptic number.

456544491 is a deficient number, since it is larger than the sum of its proper divisors (211378485).

456544491 is a wasteful number, since it uses less digits than its factorization.

456544491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220942.

The product of its digits is 345600, while the sum is 42.

The square root of 456544491 is about 21366.9017641772. The cubic root of 456544491 is about 770.0064602820.

The spelling of 456544491 in words is "four hundred fifty-six million, five hundred forty-four thousand, four hundred ninety-one".