4404040040 has 16 divisors (see below), whose sum is σ = 9909090180. Its totient is φ = 1761616000.

The previous prime is 4404040027. The next prime is 4404040049. The reversal of 4404040040 is 400404044.

It can be written as a sum of positive squares in 2 ways, for example, as 4321484644 + 82555396 = 65738^2 + 9086^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4404039994 and 4404040021.

It is not an unprimeable number, because it can be changed into a prime (4404040049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55050461 + ... + 55050540.

Almost surely, 2^4404040040 is an apocalyptic number.

4404040040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4404040040 is an abundant number, since it is smaller than the sum of its proper divisors (5505050140).

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

4404040040 is a wasteful number, since it uses less digits than its factorization.

4404040040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110101012 (or 110101008 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4404040040 is about 66362.9417672243. The cubic root of 4404040040 is about 1639.1439166746.

Adding to 4404040040 its reverse (400404044), we get a palindrome (4804444084).

The spelling of 4404040040 in words is "four billion, four hundred four million, forty thousand, forty".