455509490 has 16 divisors (see below), whose sum is σ = 821703960. Its totient is φ = 181806720.

The previous prime is 455509489. The next prime is 455509493. The reversal of 455509490 is 94905554.

It can be written as a sum of positive squares in 4 ways, for example, as 191739409 + 263770081 = 13847^2 + 16241^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (455509493) 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, 44795 + ... + 54014.

Almost surely, 2^455509490 is an apocalyptic number.

455509490 is a deficient number, since it is larger than the sum of its proper divisors (366194470).

455509490 is a wasteful number, since it uses less digits than its factorization.

455509490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99277.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 455509490 is about 21342.6682961620. The cubic root of 455509490 is about 769.4241435714.

The spelling of 455509490 in words is "four hundred fifty-five million, five hundred nine thousand, four hundred ninety".