455074890 has 64 divisors (see below), whose sum is σ = 1163635200. Its totient is φ = 113569344.

The previous prime is 455074859. The next prime is 455074897. The reversal of 455074890 is 98470554.

It is not an unprimeable number, because it can be changed into a prime (455074897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42501 + ... + 52119.

It is an arithmetic number, because the mean of its divisors is an integer number (18181800).

Almost surely, 2^455074890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455074890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581817600).

455074890 is an abundant number, since it is smaller than the sum of its proper divisors (708560310).

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

455074890 is a wasteful number, since it uses less digits than its factorization.

455074890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9731.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 455074890 is about 21332.4843841499. The cubic root of 455074890 is about 769.1793640854.

The spelling of 455074890 in words is "four hundred fifty-five million, seventy-four thousand, eight hundred ninety".