40157945198 has 96 divisors (see below), whose sum is σ = 72914421888. Its totient is φ = 16527974400.

The previous prime is 40157945171. The next prime is 40157945203. The reversal of 40157945198 is 89154975104.

It is a super-2 number, since 2×40157945198² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109422011 + ... + 109422377.

It is an arithmetic number, because the mean of its divisors is an integer number (759525228).

Almost surely, 2^40157945198 is an apocalyptic number.

40157945198 is a deficient number, since it is larger than the sum of its proper divisors (32756476690).

40157945198 is a wasteful number, since it uses less digits than its factorization.

40157945198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 53.

The spelling of 40157945198 in words is "forty billion, one hundred fifty-seven million, nine hundred forty-five thousand, one hundred ninety-eight".