40005055859 has 16 divisors (see below), whose sum is σ = 40718443392. Its totient is φ = 39298925568.

The previous prime is 40005055789. The next prime is 40005055897. The reversal of 40005055859 is 95855050004.

It is a cyclic number.

It is not a de Polignac number, because 40005055859 - 2¹⁶ = 40004990323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40005055759) 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 in 15 ways as a sum of consecutive naturals, for example, 11965142 + ... + 11968484.

It is an arithmetic number, because the mean of its divisors is an integer number (2544902712).

Almost surely, 2^40005055859 is an apocalyptic number.

40005055859 is a deficient number, since it is larger than the sum of its proper divisors (713387533).

40005055859 is a wasteful number, since it uses less digits than its factorization.

40005055859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366.

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 40005055859 in words is "forty billion, five million, fifty-five thousand, eight hundred fifty-nine".