4400532040 has 32 divisors (see below), whose sum is σ = 10331686080. Its totient is φ = 1683681472.

The previous prime is 4400531999. The next prime is 4400532089. The reversal of 4400532040 is 402350044.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2390674 + ... + 2392513.

It is an arithmetic number, because the mean of its divisors is an integer number (322865190).

Almost surely, 2^4400532040 is an apocalyptic number.

4400532040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4400532040 is an abundant number, since it is smaller than the sum of its proper divisors (5931154040).

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

4400532040 is a wasteful number, since it uses less digits than its factorization.

4400532040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783221 (or 4783217 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 4400532040 is about 66336.5060882769. The cubic root of 4400532040 is about 1638.7085857649.

Adding to 4400532040 its reverse (402350044), we get a palindrome (4802882084).

The spelling of 4400532040 in words is "four billion, four hundred million, five hundred thirty-two thousand, forty".