40309804366 has 16 divisors (see below), whose sum is σ = 67361212800. Its totient is φ = 17962989408.

The previous prime is 40309804363. The next prime is 40309804399. The reversal of 40309804366 is 66340890304.

40309804366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40309804361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26729886 + ... + 26731393.

It is an arithmetic number, because the mean of its divisors is an integer number (4210075800).

Almost surely, 2^40309804366 is an apocalyptic number.

40309804366 is a deficient number, since it is larger than the sum of its proper divisors (27051408434).

40309804366 is a wasteful number, since it uses less digits than its factorization.

40309804366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53461323.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 40309804366 in words is "forty billion, three hundred nine million, eight hundred four thousand, three hundred sixty-six".