44002204040 has 32 divisors (see below), whose sum is σ = 99033975000. Its totient is φ = 17595723264.

The previous prime is 44002204039. The next prime is 44002204067. The reversal of 44002204040 is 4040220044.

44002204040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 19721708356 + 24280495684 = 140434^2 + 155822^2 .

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

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, 21515 + ... + 297434.

Almost surely, 2^44002204040 is an apocalyptic number.

44002204040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44002204040 is an abundant number, since it is smaller than the sum of its proper divisors (55031770960).

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

44002204040 is a wasteful number, since it uses less digits than its factorization.

44002204040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322409 (or 322405 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 44002204040 its reverse (4040220044), we get a palindrome (48042424084).

The spelling of 44002204040 in words is "forty-four billion, two million, two hundred four thousand, forty".