40406541366 has 32 divisors (see below), whose sum is σ = 81741319776. Its totient is φ = 13314560000.

The previous prime is 40406541299. The next prime is 40406541397. The reversal of 40406541366 is 66314560404.

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 15 ways as a sum of consecutive naturals, for example, 336436 + ... + 440456.

It is an arithmetic number, because the mean of its divisors is an integer number (2554416243).

Almost surely, 2^40406541366 is an apocalyptic number.

40406541366 is an abundant number, since it is smaller than the sum of its proper divisors (41334778410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40406541366 is a wasteful number, since it uses less digits than its factorization.

40406541366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104768.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 40406541366 in words is "forty billion, four hundred six million, five hundred forty-one thousand, three hundred sixty-six".