40155716417 has 16 divisors (see below), whose sum is σ = 41499540480. Its totient is φ = 38835534672.

The previous prime is 40155716401. The next prime is 40155716429. The reversal of 40155716417 is 71461755104.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40155716417 - 2⁴ = 40155716401 is a prime.

It is a super-2 number, since 2×40155716417² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40155716477) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3247148 + ... + 3259490.

It is an arithmetic number, because the mean of its divisors is an integer number (2593721280).

Almost surely, 2^40155716417 is an apocalyptic number.

It is an amenable number.

40155716417 is a deficient number, since it is larger than the sum of its proper divisors (1343824063).

40155716417 is a wasteful number, since it uses less digits than its factorization.

40155716417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13292.

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 40155716417 in words is "forty billion, one hundred fifty-five million, seven hundred sixteen thousand, four hundred seventeen".