40152136168 has 16 divisors (see below), whose sum is σ = 75311232480. Its totient is φ = 20069140848.

The previous prime is 40152136159. The next prime is 40152136183. The reversal of 40152136168 is 86163125104.

It is a happy number.

It is a super-2 number, since 2×40152136168² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 841230 + ... + 887677.

It is an arithmetic number, because the mean of its divisors is an integer number (4706952030).

Almost surely, 2^40152136168 is an apocalyptic number.

It is an amenable number.

40152136168 is a deficient number, since it is larger than the sum of its proper divisors (35159096312).

40152136168 is a wasteful number, since it uses less digits than its factorization.

40152136168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731816 (or 1731812 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 40152136168 in words is "forty billion, one hundred fifty-two million, one hundred thirty-six thousand, one hundred sixty-eight".