454558890 has 128 divisors (see below), whose sum is σ = 1194393600. Its totient is φ = 110373120.

The previous prime is 454558877. The next prime is 454558927. The reversal of 454558890 is 98855454.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1689676 + ... + 1689944.

It is an arithmetic number, because the mean of its divisors is an integer number (9331200).

Almost surely, 2^454558890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454558890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597196800).

454558890 is an abundant number, since it is smaller than the sum of its proper divisors (739834710).

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

454558890 is a wasteful number, since it uses less digits than its factorization.

454558890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412.

The product of its (nonzero) digits is 1152000, while the sum is 48.

The square root of 454558890 is about 21320.3867225714. The cubic root of 454558890 is about 768.8885352818. Note that the first 3 decimals are identical.

It can be divided in two parts, 45455 and 8890, that added together give a palindrome (54345).

The spelling of 454558890 in words is "four hundred fifty-four million, five hundred fifty-eight thousand, eight hundred ninety".