40443444004140 has 144 divisors (see below), whose sum is σ = 126639273686016. Its totient is φ = 10436732841600.

The previous prime is 40443444004129. The next prime is 40443444004241. The reversal of 40443444004140 is 4140044434404.

40443444004140 is a `hidden beast` number, since 4 + 0 + 44 + 34 + 440 + 0 + 4 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40443444004095 and 40443444004104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 270683655 + ... + 270833025.

Almost surely, 2^{40443444004140} is an apocalyptic number.

It is an amenable number.

40443444004140 is an abundant number, since it is smaller than the sum of its proper divisors (86195829681876).

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

40443444004140 is a wasteful number, since it uses less digits than its factorization.

40443444004140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197940 (or 197935 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 40443444004140 its reverse (4140044434404), we get a palindrome (44583488438544).

The spelling of 40443444004140 in words is "forty trillion, four hundred forty-three billion, four hundred forty-four million, four thousand, one hundred forty".