4001320228580 has 24 divisors (see below), whose sum is σ = 8402908542840. Its totient is φ = 1600502174720.

The previous prime is 4001320228579. The next prime is 4001320228597. The reversal of 4001320228580 is 858220231004.

It can be written as a sum of positive squares in 4 ways, for example, as 98040376996 + 3903279851584 = 313114^2 + 1975672^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4001320228580.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328685 + ... + 2847924.

It is an arithmetic number, because the mean of its divisors is an integer number (350121189285).

Almost surely, 2^{4001320228580} is an apocalyptic number.

It is an amenable number.

4001320228580 is an abundant number, since it is smaller than the sum of its proper divisors (4401588314260).

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

4001320228580 is a wasteful number, since it uses less digits than its factorization.

4001320228580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239599 (or 3239597 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

Adding to 4001320228580 its reverse (858220231004), we get a palindrome (4859540459584).

The spelling of 4001320228580 in words is "four trillion, one billion, three hundred twenty million, two hundred twenty-eight thousand, five hundred eighty".