455297856 has 112 divisors (see below), whose sum is σ = 1314297600. Its totient is φ = 138258432.

The previous prime is 455297831. The next prime is 455297863. The reversal of 455297856 is 658792554.

It is a super-2 number, since 2×455297856² = 414592275356393472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 455297799 and 455297808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196030 + ... + 198338.

It is an arithmetic number, because the mean of its divisors is an integer number (11734800).

Almost surely, 2^455297856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455297856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657148800).

455297856 is an abundant number, since it is smaller than the sum of its proper divisors (858999744).

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

455297856 is a wasteful number, since it uses less digits than its factorization.

455297856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416 (or 2406 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 51.

The square root of 455297856 is about 21337.7097177743. The cubic root of 455297856 is about 769.3049645439.

The spelling of 455297856 in words is "four hundred fifty-five million, two hundred ninety-seven thousand, eight hundred fifty-six".