4239090660 has 384 divisors, whose sum is σ = 14760345600. Its totient is φ = 888330240.

The previous prime is 4239090619. The next prime is 4239090673. The reversal of 4239090660 is 660909324.

It is a happy number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 38890686 + ... + 38890794.

It is an arithmetic number, because the mean of its divisors is an integer number (38438400).

Almost surely, 2^4239090660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4239090660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7380172800).

4239090660 is an abundant number, since it is smaller than the sum of its proper divisors (10521254940).

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

4239090660 is a wasteful number, since it uses less digits than its factorization.

4239090660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 4239090660 is about 65108.2994709584. The cubic root of 4239090660 is about 1618.4187512402.

Adding to 4239090660 its reverse (660909324), we get a palindrome (4899999984).

The spelling of 4239090660 in words is "four billion, two hundred thirty-nine million, ninety thousand, six hundred sixty".