455630644 has 24 divisors (see below), whose sum is σ = 950882688. Its totient is φ = 186780000.

The previous prime is 455630639. The next prime is 455630647. The reversal of 455630644 is 446036554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455630647) 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, 353107 + ... + 354394.

It is an arithmetic number, because the mean of its divisors is an integer number (39620112).

Almost surely, 2^455630644 is an apocalyptic number.

It is an amenable number.

455630644 is an abundant number, since it is smaller than the sum of its proper divisors (495252044).

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

455630644 is a wasteful number, since it uses less digits than its factorization.

455630644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707535 (or 707533 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The square root of 455630644 is about 21345.5064123576. The cubic root of 455630644 is about 769.4923533097.

The spelling of 455630644 in words is "four hundred fifty-five million, six hundred thirty thousand, six hundred forty-four".