455042438 has 16 divisors (see below), whose sum is σ = 733777920. Its totient is φ = 210959496.

The previous prime is 455042407. The next prime is 455042447. The reversal of 455042438 is 834240554.

It is a junction number, because it is equal to n+sod(n) for n = 455042398 and 455042407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125606 + ... + 129177.

It is an arithmetic number, because the mean of its divisors is an integer number (45861120).

Almost surely, 2^455042438 is an apocalyptic number.

455042438 is a deficient number, since it is larger than the sum of its proper divisors (278735482).

455042438 is a wasteful number, since it uses less digits than its factorization.

455042438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254851.

The product of its (nonzero) digits is 76800, while the sum is 35.

The square root of 455042438 is about 21331.7237465705. The cubic root of 455042438 is about 769.1610799138.

The spelling of 455042438 in words is "four hundred fifty-five million, forty-two thousand, four hundred thirty-eight".