40115122869 has 8 divisors (see below), whose sum is σ = 53487755680. Its totient is φ = 26742952656.

The previous prime is 40115122849. The next prime is 40115122889. The reversal of 40115122869 is 96822151104.

It is an interprime number because it is at equal distance from previous prime (40115122849) and next prime (40115122889).

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

It is not a de Polignac number, because 40115122869 - 2⁸ = 40115122613 is a prime.

It is a super-2 number, since 2×40115122869² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40115122829) 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 7 ways as a sum of consecutive naturals, for example, 283314 + ... + 400620.

It is an arithmetic number, because the mean of its divisors is an integer number (6685969460).

Almost surely, 2^40115122869 is an apocalyptic number.

It is an amenable number.

40115122869 is a deficient number, since it is larger than the sum of its proper divisors (13372632811).

40115122869 is a wasteful number, since it uses less digits than its factorization.

40115122869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231299.

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 40115122869 in words is "forty billion, one hundred fifteen million, one hundred twenty-two thousand, eight hundred sixty-nine".