40384820194 has 8 divisors (see below), whose sum is σ = 60742291968. Its totient is φ = 20137389540.

The previous prime is 40384820141. The next prime is 40384820209. The reversal of 40384820194 is 49102848304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×40384820194⁴ (a number of 44 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40384820194.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27509362 + ... + 27510829.

It is an arithmetic number, because the mean of its divisors is an integer number (7592786496).

Almost surely, 2^40384820194 is an apocalyptic number.

40384820194 is a deficient number, since it is larger than the sum of its proper divisors (20357471774).

40384820194 is a wasteful number, since it uses less digits than its factorization.

40384820194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55020560.

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 40384820194 in words is "forty billion, three hundred eighty-four million, eight hundred twenty thousand, one hundred ninety-four".