40157945166 has 16 divisors (see below), whose sum is σ = 82906725888. Its totient is φ = 12954175800.

The previous prime is 40157945161. The next prime is 40157945167. The reversal of 40157945166 is 66154975104.

It is a super-2 number, since 2×40157945166² (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 (40157945161) 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, 107951280 + ... + 107951651.

It is an arithmetic number, because the mean of its divisors is an integer number (5181670368).

Almost surely, 2^40157945166 is an apocalyptic number.

40157945166 is an abundant number, since it is smaller than the sum of its proper divisors (42748780722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40157945166 is a wasteful number, since it uses less digits than its factorization.

40157945166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215902967.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 40157945166 in words is "forty billion, one hundred fifty-seven million, nine hundred forty-five thousand, one hundred sixty-six".