40360043636 has 24 divisors (see below), whose sum is σ = 77512389696. Its totient is φ = 18235617920.

The previous prime is 40360043617. The next prime is 40360043699. The reversal of 40360043636 is 63634006304.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40360043596 and 40360043605.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2738981 + ... + 2753676.

It is an arithmetic number, because the mean of its divisors is an integer number (3229682904).

Almost surely, 2^40360043636 is an apocalyptic number.

It is an amenable number.

40360043636 is a deficient number, since it is larger than the sum of its proper divisors (37152346060).

40360043636 is a wasteful number, since it uses less digits than its factorization.

40360043636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5492839 (or 5492837 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 35.

The spelling of 40360043636 in words is "forty billion, three hundred sixty million, forty-three thousand, six hundred thirty-six".