40219191699 has 8 divisors (see below), whose sum is σ = 53921863632. Its totient is φ = 26664657120.

The previous prime is 40219191679. The next prime is 40219191703. The reversal of 40219191699 is 99619191204.

It is a happy number.

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

It is not a de Polignac number, because 40219191699 - 2⁸ = 40219191443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40219191619) 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, 37033704 + ... + 37034789.

It is an arithmetic number, because the mean of its divisors is an integer number (6740232954).

Almost surely, 2^40219191699 is an apocalyptic number.

40219191699 is a deficient number, since it is larger than the sum of its proper divisors (13702671933).

40219191699 is a wasteful number, since it uses less digits than its factorization.

40219191699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74068677.

The product of its (nonzero) digits is 314928, while the sum is 51.

The spelling of 40219191699 in words is "forty billion, two hundred nineteen million, one hundred ninety-one thousand, six hundred ninety-nine".