40041402032 has 20 divisors (see below), whose sum is σ = 77633654640. Its totient is φ = 20006910528.

The previous prime is 40041402031. The next prime is 40041402059. The reversal of 40041402032 is 23020414004.

It is a junction number, because it is equal to n+sod(n) for n = 40041401995 and 40041402013.

It is not an unprimeable number, because it can be changed into a prime (40041402031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837932 + ... + 884427.

It is an arithmetic number, because the mean of its divisors is an integer number (3881682732).

Almost surely, 2^40041402032 is an apocalyptic number.

It is an amenable number.

40041402032 is a deficient number, since it is larger than the sum of its proper divisors (37592252608).

40041402032 is a wasteful number, since it uses less digits than its factorization.

40041402032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723820 (or 1723814 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40041402032 its reverse (23020414004), we get a palindrome (63061816036).

The spelling of 40041402032 in words is "forty billion, forty-one million, four hundred two thousand, thirty-two".