4402445540 has 36 divisors (see below), whose sum is σ = 9757347516. Its totient is φ = 1668292416.

The previous prime is 4402445513. The next prime is 4402445599. The reversal of 4402445540 is 455442044.

It can be written as a sum of positive squares in 2 ways, for example, as 3266351104 + 1136094436 = 57152^2 + 33706^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4402445497 and 4402445506.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297659 + ... + 312098.

It is an arithmetic number, because the mean of its divisors is an integer number (271037431).

Almost surely, 2^4402445540 is an apocalyptic number.

It is an amenable number.

4402445540 is an abundant number, since it is smaller than the sum of its proper divisors (5354901976).

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

4402445540 is a wasteful number, since it uses less digits than its factorization.

4402445540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609804 (or 609783 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 32.

The square root of 4402445540 is about 66350.9271977416. The cubic root of 4402445540 is about 1638.9460732977.

Adding to 4402445540 its reverse (455442044), we get a palindrome (4857887584).

The spelling of 4402445540 in words is "four billion, four hundred two million, four hundred forty-five thousand, five hundred forty".