40836731528349 has 64 divisors (see below), whose sum is σ = 61560402785280. Its totient is φ = 26748974450880.

The previous prime is 40836731528317. The next prime is 40836731528387. The reversal of 40836731528349 is 94382513763804.

It is a happy number.

40836731528349 is a `hidden beast` number, since 4 + 0 + 8 + 3 + 6 + 73 + 1 + 528 + 34 + 9 = 666.

It is not a de Polignac number, because 40836731528349 - 2⁵ = 40836731528317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40836731520349) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1254067542 + ... + 1254100104.

It is an arithmetic number, because the mean of its divisors is an integer number (961881293520).

It is a 1-persistent number, because it is pandigital, but 2⋅40836731528349 = 81673463056698 is not.

Almost surely, 2^{40836731528349} is an apocalyptic number.

It is an amenable number.

40836731528349 is a deficient number, since it is larger than the sum of its proper divisors (20723671256931).

40836731528349 is a wasteful number, since it uses less digits than its factorization.

40836731528349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34407 (or 34401 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 63.

The spelling of 40836731528349 in words is "forty trillion, eight hundred thirty-six billion, seven hundred thirty-one million, five hundred twenty-eight thousand, three hundred forty-nine".