40081461162199 has 4 divisors (see below), whose sum is σ = 40470601561936. Its totient is φ = 39692320762464.

The previous prime is 40081461162187. The next prime is 40081461162287. The reversal of 40081461162199 is 99126116418004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40081461162199 - 2⁵ = 40081461162167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40081461165199) 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 3 ways as a sum of consecutive naturals, for example, 194570199714 + ... + 194570199919.

It is an arithmetic number, because the mean of its divisors is an integer number (10117650390484).

Almost surely, 2^{40081461162199} is an apocalyptic number.

40081461162199 is a deficient number, since it is larger than the sum of its proper divisors (389140399737).

40081461162199 is a wasteful number, since it uses less digits than its factorization.

40081461162199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389140399736.

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 40081461162199 in words is "forty trillion, eighty-one billion, four hundred sixty-one million, one hundred sixty-two thousand, one hundred ninety-nine".