4044450040 has 32 divisors (see below), whose sum is σ = 9161100000. Its totient is φ = 1606920064.

The previous prime is 4044450013. The next prime is 4044450073. The reversal of 4044450040 is 400544404.

It is a super-2 number, since 2×4044450040² = 32715152252112003200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4044449987 and 4044450014.

It is a congruent 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, 333340 + ... + 345259.

It is an arithmetic number, because the mean of its divisors is an integer number (286284375).

Almost surely, 2^4044450040 is an apocalyptic number.

4044450040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4044450040 is an abundant number, since it is smaller than the sum of its proper divisors (5116649960).

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

4044450040 is a wasteful number, since it uses less digits than its factorization.

4044450040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678759 (or 678755 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 4044450040 is about 63595.9907541348. The cubic root of 4044450040 is about 1593.2594082674.

Adding to 4044450040 its reverse (400544404), we get a palindrome (4444994444).

The spelling of 4044450040 in words is "four billion, forty-four million, four hundred fifty thousand, forty".