40347786044 has 6 divisors (see below), whose sum is σ = 70608625584. Its totient is φ = 20173893020.

The previous prime is 40347786001. The next prime is 40347786049. The reversal of 40347786044 is 44068774304.

It is a self number, because there is not a number n which added to its sum of digits gives 40347786044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40347786049) by changing a digit.

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 as a sum of consecutive naturals, namely, 5043473252 + ... + 5043473259.

It is an arithmetic number, because the mean of its divisors is an integer number (11768104264).

Almost surely, 2^40347786044 is an apocalyptic number.

It is an amenable number.

40347786044 is a deficient number, since it is larger than the sum of its proper divisors (30260839540).

40347786044 is a wasteful number, since it uses less digits than its factorization.

40347786044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10086946515 (or 10086946513 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 47.

The spelling of 40347786044 in words is "forty billion, three hundred forty-seven million, seven hundred eighty-six thousand, forty-four".