40122742182 has 8 divisors (see below), whose sum is σ = 80245484376. Its totient is φ = 13374247392.

The previous prime is 40122742181. The next prime is 40122742189. The reversal of 40122742182 is 28124722104.

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

40122742182 is an admirable number.

It is a super-2 number, since 2×40122742182² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40122742181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3343561843 + ... + 3343561854.

It is an arithmetic number, because the mean of its divisors is an integer number (10030685547).

Almost surely, 2^40122742182 is an apocalyptic number.

40122742182 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40122742182 is a wasteful number, since it uses less digits than its factorization.

40122742182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6687123702.

The product of its (nonzero) digits is 14336, while the sum is 33.

The spelling of 40122742182 in words is "forty billion, one hundred twenty-two million, seven hundred forty-two thousand, one hundred eighty-two".