4400600040 has 96 divisors (see below), whose sum is σ = 14763340800. Its totient is φ = 1135635840.

The previous prime is 4400600033. The next prime is 4400600053. The reversal of 4400600040 is 400060044.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4400599986 and 4400600022.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186000 + ... + 208319.

It is an arithmetic number, because the mean of its divisors is an integer number (153784800).

Almost surely, 2^4400600040 is an apocalyptic number.

4400600040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4400600040 is an abundant number, since it is smaller than the sum of its proper divisors (10362740760).

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

4400600040 is a wasteful number, since it uses less digits than its factorization.

4400600040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394367 (or 394360 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4400600040 is about 66337.0186245960. The cubic root of 4400600040 is about 1638.7170265329.

Adding to 4400600040 its reverse (400060044), we get a palindrome (4800660084).

The spelling of 4400600040 in words is "four billion, four hundred million, six hundred thousand, forty".