455019849 has 20 divisors (see below), whose sum is σ = 680744064. Its totient is φ = 302890104.

The previous prime is 455019811. The next prime is 455019857. The reversal of 455019849 is 948910554.

455019849 is a `hidden beast` number, since 4 + 550 + 1 + 98 + 4 + 9 = 666.

It is not a de Polignac number, because 455019849 - 2¹³ = 455011657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (455019449) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55024 + ... + 62750.

Almost surely, 2^455019849 is an apocalyptic number.

It is an amenable number.

455019849 is a deficient number, since it is larger than the sum of its proper divisors (225724215).

455019849 is an equidigital number, since it uses as much as digits as its factorization.

455019849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8466 (or 8457 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 455019849 is about 21331.1942703638. The cubic root of 455019849 is about 769.1483522605.

The spelling of 455019849 in words is "four hundred fifty-five million, nineteen thousand, eight hundred forty-nine".