40157945173 has 8 divisors (see below), whose sum is σ = 42658684992. Its totient is φ = 37672595136.

The previous prime is 40157945171. The next prime is 40157945203. The reversal of 40157945173 is 37154975104.

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

It is not a de Polignac number, because 40157945173 - 2¹ = 40157945171 is a prime.

It is a super-2 number, since 2×40157945173² (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 (40157945171) 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 7 ways as a sum of consecutive naturals, for example, 3842065 + ... + 3852502.

It is an arithmetic number, because the mean of its divisors is an integer number (5332335624).

Almost surely, 2^40157945173 is an apocalyptic number.

It is an amenable number.

40157945173 is a deficient number, since it is larger than the sum of its proper divisors (2500739819).

40157945173 is a wasteful number, since it uses less digits than its factorization.

40157945173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7694891.

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 40157945173 in words is "forty billion, one hundred fifty-seven million, nine hundred forty-five thousand, one hundred seventy-three".