4402881940 has 24 divisors (see below), whose sum is σ = 9248236200. Its totient is φ = 1760736768.

The previous prime is 4402881871. The next prime is 4402881947. The reversal of 4402881940 is 491882044.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 611770756 + 3791111184 = 24734^2 + 61572^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4402881893 and 4402881902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4402881947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69304 + ... + 116656.

It is an arithmetic number, because the mean of its divisors is an integer number (385343175).

Almost surely, 2^4402881940 is an apocalyptic number.

It is an amenable number.

4402881940 is an abundant number, since it is smaller than the sum of its proper divisors (4845354260).

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

4402881940 is a wasteful number, since it uses less digits than its factorization.

4402881940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52011 (or 52009 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 4402881940 is about 66354.2156912430. The cubic root of 4402881940 is about 1639.0002259596. Note that the first 3 decimals are identical.

The spelling of 4402881940 in words is "four billion, four hundred two million, eight hundred eighty-one thousand, nine hundred forty".