40170971293 has 8 divisors (see below), whose sum is σ = 42978434720. Its totient is φ = 37432828080.

The previous prime is 40170971279. The next prime is 40170971311. The reversal of 40170971293 is 39217907104.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40170971293 - 2⁵ = 40170971261 is a prime.

It is a super-2 number, since 2×40170971293² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40170975293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17328855 + ... + 17331172.

It is an arithmetic number, because the mean of its divisors is an integer number (5372304340).

Almost surely, 2^40170971293 is an apocalyptic number.

It is an amenable number.

40170971293 is a deficient number, since it is larger than the sum of its proper divisors (2807463427).

40170971293 is a wasteful number, since it uses less digits than its factorization.

40170971293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34660107.

The product of its (nonzero) digits is 95256, while the sum is 43.

The spelling of 40170971293 in words is "forty billion, one hundred seventy million, nine hundred seventy-one thousand, two hundred ninety-three".