40601998159 has 8 divisors (see below), whose sum is σ = 41186841120. Its totient is φ = 40017516000.

The previous prime is 40601998139. The next prime is 40601998181. The reversal of 40601998159 is 95189910604.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40601998159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40601998109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140709 + ... + 317809.

It is an arithmetic number, because the mean of its divisors is an integer number (5148355140).

Almost surely, 2^40601998159 is an apocalyptic number.

40601998159 is a deficient number, since it is larger than the sum of its proper divisors (584842961).

40601998159 is a wasteful number, since it uses less digits than its factorization.

40601998159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180401.

The product of its (nonzero) digits is 699840, while the sum is 52.

The spelling of 40601998159 in words is "forty billion, six hundred one million, nine hundred ninety-eight thousand, one hundred fifty-nine".