40306081156 has 12 divisors (see below), whose sum is σ = 76947973200. Its totient is φ = 18320945960.

The previous prime is 40306081087. The next prime is 40306081237. The reversal of 40306081156 is 65118060304.

It is a happy number.

It is a super-3 number, since 3×40306081156³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

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, 458023606 + ... + 458023693.

It is an arithmetic number, because the mean of its divisors is an integer number (6412331100).

Almost surely, 2^40306081156 is an apocalyptic number.

It is an amenable number.

40306081156 is a deficient number, since it is larger than the sum of its proper divisors (36641892044).

40306081156 is a wasteful number, since it uses less digits than its factorization.

40306081156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916047314 (or 916047312 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 40306081156 in words is "forty billion, three hundred six million, eighty-one thousand, one hundred fifty-six".