4427742090 has 32 divisors (see below), whose sum is σ = 10969376256. Its totient is φ = 1142642880.

The previous prime is 4427742071. The next prime is 4427742091. The reversal of 4427742090 is 902477244.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4427742091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2379577 + ... + 2381436.

It is an arithmetic number, because the mean of its divisors is an integer number (342793008).

Almost surely, 2^4427742090 is an apocalyptic number.

4427742090 is an abundant number, since it is smaller than the sum of its proper divisors (6541634166).

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

4427742090 is a wasteful number, since it uses less digits than its factorization.

4427742090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761054.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 4427742090 is about 66541.2810967748. The cubic root of 4427742090 is about 1642.0792200925.

The spelling of 4427742090 in words is "four billion, four hundred twenty-seven million, seven hundred forty-two thousand, ninety".