40186109601 has 12 divisors (see below), whose sum is σ = 63323566800. Its totient is φ = 24355217880.

The previous prime is 40186109501. The next prime is 40186109603. The reversal of 40186109601 is 10690168104.

It is a happy number.

40186109601 is a `hidden beast` number, since 40 + 1 + 8 + 6 + 1 + 0 + 9 + 601 = 666.

It is not a de Polignac number, because 40186109601 - 2¹⁴ = 40186093217 is a prime.

It is a super-2 number, since 2×40186109601² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40186109603) 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 11 ways as a sum of consecutive naturals, for example, 202960051 + ... + 202960248.

It is an arithmetic number, because the mean of its divisors is an integer number (5276963900).

Almost surely, 2^40186109601 is an apocalyptic number.

It is an amenable number.

40186109601 is a deficient number, since it is larger than the sum of its proper divisors (23137457199).

40186109601 is a wasteful number, since it uses less digits than its factorization.

40186109601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405920316 (or 405920313 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 40186109601 in words is "forty billion, one hundred eighty-six million, one hundred nine thousand, six hundred one".