40149043199 has 8 divisors (see below), whose sum is σ = 40235302272. Its totient is φ = 40062821400.

The previous prime is 40149043159. The next prime is 40149043213. The reversal of 40149043199 is 99134094104.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40149043199 is a prime.

It is a super-2 number, since 2×40149043199² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40149043159) 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, 3531374 + ... + 3542724.

It is an arithmetic number, because the mean of its divisors is an integer number (5029412784).

Almost surely, 2^40149043199 is an apocalyptic number.

40149043199 is a deficient number, since it is larger than the sum of its proper divisors (86259073).

40149043199 is a wasteful number, since it uses less digits than its factorization.

40149043199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18637.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 40149043199 in words is "forty billion, one hundred forty-nine million, forty-three thousand, one hundred ninety-nine".