40157945199 has 24 divisors (see below), whose sum is σ = 60048674400. Its totient is φ = 25830463680.

The previous prime is 40157945171. The next prime is 40157945203. The reversal of 40157945199 is 99154975104.

It is a happy number.

40157945199 is a `hidden beast` number, since 40 + 15 + 79 + 4 + 519 + 9 = 666.

It is not a de Polignac number, because 40157945199 - 2⁵ = 40157945167 is a prime.

It is a super-2 number, since 2×40157945199² (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 (40157945129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319134 + ... + 426804.

It is an arithmetic number, because the mean of its divisors is an integer number (2502028100).

Almost surely, 2^40157945199 is an apocalyptic number.

40157945199 is a deficient number, since it is larger than the sum of its proper divisors (19890729201).

40157945199 is a wasteful number, since it uses less digits than its factorization.

40157945199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109135 (or 109132 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The spelling of 40157945199 in words is "forty billion, one hundred fifty-seven million, nine hundred forty-five thousand, one hundred ninety-nine".