4420278090 has 96 divisors (see below), whose sum is σ = 11846165760. Its totient is φ = 1142957952.

The previous prime is 4420278067. The next prime is 4420278091. The reversal of 4420278090 is 908720244.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4420278091) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 456277 + ... + 465863.

It is an arithmetic number, because the mean of its divisors is an integer number (123397560).

Almost surely, 2^4420278090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4420278090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5923082880).

4420278090 is an abundant number, since it is smaller than the sum of its proper divisors (7425887670).

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

4420278090 is a wasteful number, since it uses less digits than its factorization.

4420278090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9756 (or 9753 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 4420278090 is about 66485.1719558579. The cubic root of 4420278090 is about 1641.1559976340.

The spelling of 4420278090 in words is "four billion, four hundred twenty million, two hundred seventy-eight thousand, ninety".