40729126198 has 8 divisors (see below), whose sum is σ = 61098442560. Its totient is φ = 20362978680.

The previous prime is 40729126111. The next prime is 40729126213. The reversal of 40729126198 is 89162192704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 759813 + ... + 811648.

It is an arithmetic number, because the mean of its divisors is an integer number (7637305320).

Almost surely, 2^40729126198 is an apocalyptic number.

40729126198 is a deficient number, since it is larger than the sum of its proper divisors (20369316362).

40729126198 is a wasteful number, since it uses less digits than its factorization.

40729126198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584422.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 40729126198 in words is "forty billion, seven hundred twenty-nine million, one hundred twenty-six thousand, one hundred ninety-eight".