4509890448 has 160 divisors (see below), whose sum is σ = 13701623040. Its totient is φ = 1251409920.

The previous prime is 4509890431. The next prime is 4509890453. The reversal of 4509890448 is 8440989054.

It is a super-2 number, since 2×4509890448² = 40678223705923281408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4509890448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3705136 + ... + 3706352.

It is an arithmetic number, because the mean of its divisors is an integer number (85635144).

Almost surely, 2^4509890448 is an apocalyptic number.

4509890448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4509890448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6850811520).

4509890448 is an abundant number, since it is smaller than the sum of its proper divisors (9191732592).

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

4509890448 is a wasteful number, since it uses less digits than its factorization.

4509890448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 51.

The square root of 4509890448 is about 67155.7179099442. The cubic root of 4509890448 is about 1652.1722778981.

The spelling of 4509890448 in words is "four billion, five hundred nine million, eight hundred ninety thousand, four hundred forty-eight".