40440906473108 has 6 divisors (see below), whose sum is σ = 70771586327946. Its totient is φ = 20220453236552.

The previous prime is 40440906473101. The next prime is 40440906473129. The reversal of 40440906473108 is 80137460904404.

It can be written as a sum of positive squares in only one way, i.e., 22764616627984 + 17676289845124 = 4771228^2 + 4204318^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40440906473101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055113309135 + ... + 5055113309142.

It is an arithmetic number, because the mean of its divisors is an integer number (11795264387991).

Almost surely, 2^{40440906473108} is an apocalyptic number.

It is an amenable number.

40440906473108 is a deficient number, since it is larger than the sum of its proper divisors (30330679854838).

40440906473108 is a wasteful number, since it uses less digits than its factorization.

40440906473108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110226618281 (or 10110226618279 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 40440906473108 in words is "forty trillion, four hundred forty billion, nine hundred six million, four hundred seventy-three thousand, one hundred eight".