40442002044400 has 60 divisors (see below), whose sum is σ = 105994810824264. Its totient is φ = 14706182560000.

The previous prime is 40442002044383. The next prime is 40442002044401. The reversal of 40442002044400 is 444020024404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40442002044401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4595677651 + ... + 4595686450.

Almost surely, 2^{40442002044400} is an apocalyptic number.

40442002044400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40442002044400 is an abundant number, since it is smaller than the sum of its proper divisors (65552808779864).

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

40442002044400 is a wasteful number, since it uses less digits than its factorization.

40442002044400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9191364130 (or 9191364119 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40442002044400 its reverse (444020024404), we get a palindrome (40886022068804).

The spelling of 40442002044400 in words is "forty trillion, four hundred forty-two billion, two million, forty-four thousand, four hundred".