455169856 has 56 divisors (see below), whose sum is σ = 934004736. Its totient is φ = 219916800.

The previous prime is 455169829. The next prime is 455169857. The reversal of 455169856 is 658961554.

It is a super-2 number, since 2×455169856² = 414359195622121472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455169857) 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, 394881 + ... + 396031.

It is an arithmetic number, because the mean of its divisors is an integer number (16678656).

Almost surely, 2^455169856 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 455169856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467002368).

455169856 is an abundant number, since it is smaller than the sum of its proper divisors (478834880).

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

455169856 is a wasteful number, since it uses less digits than its factorization.

455169856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367 (or 1357 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 49.

The square root of 455169856 is about 21334.7101222398. The cubic root of 455169856 is about 769.2328650281.

The spelling of 455169856 in words is "four hundred fifty-five million, one hundred sixty-nine thousand, eight hundred fifty-six".