40165834848072 has 64 divisors (see below), whose sum is σ = 101021480614080. Its totient is φ = 13307884929792.

The previous prime is 40165834848043. The next prime is 40165834848077. The reversal of 40165834848072 is 27084843856104.

It is a super-2 number, since 2×40165834848072² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40165834847997 and 40165834848015.

It is not an unprimeable number, because it can be changed into a prime (40165834848077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2673903 + ... + 9353150.

It is an arithmetic number, because the mean of its divisors is an integer number (1578460634595).

Almost surely, 2^{40165834848072} is an apocalyptic number.

It is an amenable number.

40165834848072 is an abundant number, since it is smaller than the sum of its proper divisors (60855645766008).

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

40165834848072 is a wasteful number, since it uses less digits than its factorization.

40165834848072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12027902 (or 12027898 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 60.

The spelling of 40165834848072 in words is "forty trillion, one hundred sixty-five billion, eight hundred thirty-four million, eight hundred forty-eight thousand, seventy-two".