40208576418 has 40 divisors (see below), whose sum is σ = 90116666640. Its totient is φ = 13399932600.

The previous prime is 40208576399. The next prime is 40208576431. The reversal of 40208576418 is 81467580204.

40208576418 is a `hidden beast` number, since 40 + 20 + 8 + 576 + 4 + 18 = 666.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 793693 + ... + 842831.

It is an arithmetic number, because the mean of its divisors is an integer number (2252916666).

Almost surely, 2^40208576418 is an apocalyptic number.

40208576418 is an abundant number, since it is smaller than the sum of its proper divisors (49908090222).

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

40208576418 is a wasteful number, since it uses less digits than its factorization.

40208576418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54204 (or 54195 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 40208576418 in words is "forty billion, two hundred eight million, five hundred seventy-six thousand, four hundred eighteen".