4400323040 has 24 divisors (see below), whose sum is σ = 10395763560. Its totient is φ = 1760129152.

The previous prime is 4400323019. The next prime is 4400323079. The reversal of 4400323040 is 403230044.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13750850 + ... + 13751169.

It is an arithmetic number, because the mean of its divisors is an integer number (433156815).

Almost surely, 2^4400323040 is an apocalyptic number.

4400323040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4400323040 is an abundant number, since it is smaller than the sum of its proper divisors (5995440520).

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

4400323040 is a wasteful number, since it uses less digits than its factorization.

4400323040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27502034 (or 27502026 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 4400323040 is about 66334.9307680350. The cubic root of 4400323040 is about 1638.6826422719.

Adding to 4400323040 its reverse (403230044), we get a palindrome (4803553084).

The spelling of 4400323040 in words is "four billion, four hundred million, three hundred twenty-three thousand, forty".