4000440220 has 48 divisors (see below), whose sum is σ = 9617610240. Its totient is φ = 1369214784.

The previous prime is 4000440181. The next prime is 4000440239. The reversal of 4000440220 is 220440004.

It is a junction number, because it is equal to n+sod(n) for n = 4000440194 and 4000440203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57841 + ... + 106519.

It is an arithmetic number, because the mean of its divisors is an integer number (200366880).

Almost surely, 2^4000440220 is an apocalyptic number.

It is an amenable number.

4000440220 is an abundant number, since it is smaller than the sum of its proper divisors (5617170020).

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

4000440220 is a wasteful number, since it uses less digits than its factorization.

4000440220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49282 (or 49280 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4000440220 is about 63249.0333522972. The cubic root of 4000440220 is about 1587.4592836396.

Adding to 4000440220 its reverse (220440004), we get a palindrome (4220880224).

The spelling of 4000440220 in words is "four billion, four hundred forty thousand, two hundred twenty".