455500440 has 48 divisors (see below), whose sum is σ = 1480377600. Its totient is φ = 121466688.

The previous prime is 455500421. The next prime is 455500459. The reversal of 455500440 is 44005554.

It is an interprime number because it is at equal distance from previous prime (455500421) and next prime (455500459).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 632280 + ... + 632999.

It is an arithmetic number, because the mean of its divisors is an integer number (30841200).

Almost surely, 2^455500440 is an apocalyptic number.

455500440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455500440 is an abundant number, since it is smaller than the sum of its proper divisors (1024877160).

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

455500440 is a wasteful number, since it uses less digits than its factorization.

455500440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265296 (or 1265289 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 455500440 is about 21342.4562785074. The cubic root of 455500440 is about 769.4190479332.

Adding to 455500440 its reverse (44005554), we get a palindrome (499505994).

The spelling of 455500440 in words is "four hundred fifty-five million, five hundred thousand, four hundred forty".