40417171157 has 8 divisors (see below), whose sum is σ = 44096875680. Its totient is φ = 36738369360.

The previous prime is 40417171147. The next prime is 40417171189. The reversal of 40417171157 is 75117171404.

It is a happy number.

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

It is not a de Polignac number, because 40417171157 - 2¹⁴ = 40417154773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40417171157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40417171147) 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, 130307 + ... + 312752.

It is an arithmetic number, because the mean of its divisors is an integer number (5512109460).

Almost surely, 2^40417171157 is an apocalyptic number.

It is an amenable number.

40417171157 is a deficient number, since it is larger than the sum of its proper divisors (3679704523).

40417171157 is a wasteful number, since it uses less digits than its factorization.

40417171157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451363.

The product of its (nonzero) digits is 27440, while the sum is 38.

The spelling of 40417171157 in words is "forty billion, four hundred seventeen million, one hundred seventy-one thousand, one hundred fifty-seven".