4421040040 has 16 divisors (see below), whose sum is σ = 9947340180. Its totient is φ = 1768416000.

The previous prime is 4421040031. The next prime is 4421040047. The reversal of 4421040040 is 400401244.

It can be written as a sum of positive squares in 2 ways, for example, as 4348347364 + 72692676 = 65942^2 + 8526^2 .

It is not an unprimeable number, because it can be changed into a prime (4421040047) 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, 55262961 + ... + 55263040.

Almost surely, 2^4421040040 is an apocalyptic number.

4421040040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4421040040 is an abundant number, since it is smaller than the sum of its proper divisors (5526300140).

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

4421040040 is a wasteful number, since it uses less digits than its factorization.

4421040040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110526012 (or 110526008 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 4421040040 is about 66490.9019340240. The cubic root of 4421040040 is about 1641.2502908694.

Adding to 4421040040 its reverse (400401244), we get a palindrome (4821441284).

The spelling of 4421040040 in words is "four billion, four hundred twenty-one million, forty thousand, forty".