455042439 has 6 divisors (see below), whose sum is σ = 657283536. Its totient is φ = 303361620.

The previous prime is 455042407. The next prime is 455042447. The reversal of 455042439 is 934240554.

It is a happy number.

It is not a de Polignac number, because 455042439 - 2⁵ = 455042407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455042339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25280127 + ... + 25280144.

It is an arithmetic number, because the mean of its divisors is an integer number (109547256).

Almost surely, 2^455042439 is an apocalyptic number.

455042439 is a deficient number, since it is larger than the sum of its proper divisors (202241097).

455042439 is a wasteful number, since it uses less digits than its factorization.

455042439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50560277 (or 50560274 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 455042439 is about 21331.7237700098. The cubic root of 455042439 is about 769.1610804772.

The spelling of 455042439 in words is "four hundred fifty-five million, forty-two thousand, four hundred thirty-nine".