40733304128181 has 12 divisors (see below), whose sum is σ = 67242279830752. Its totient is φ = 23276173787496.

The previous prime is 40733304128071. The next prime is 40733304128273. The reversal of 40733304128181 is 18182140333704.

40733304128181 is a `hidden beast` number, since 40 + 7 + 3 + 3 + 304 + 128 + 181 = 666.

It is not a de Polignac number, because 40733304128181 - 2²³ = 40733295739573 is a prime.

It is a super-2 number, since 2×40733304128181² (a number of 28 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 (40733304128381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323280191431 + ... + 323280191556.

Almost surely, 2^{40733304128181} is an apocalyptic number.

It is an amenable number.

40733304128181 is a deficient number, since it is larger than the sum of its proper divisors (26508975702571).

40733304128181 is a wasteful number, since it uses less digits than its factorization.

40733304128181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646560383000 (or 646560382997 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 40733304128181 in words is "forty trillion, seven hundred thirty-three billion, three hundred four million, one hundred twenty-eight thousand, one hundred eighty-one".