40501655001659 has 2 divisors, whose sum is σ = 40501655001660. Its totient is φ = 40501655001658.

The previous prime is 40501655001601. The next prime is 40501655001683. The reversal of 40501655001659 is 95610055610504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40501655001659 - 2⁴⁰ = 39402143373883 is a prime.

It is not a weakly prime, because it can be changed into another prime (40501655001259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20250827500829 + 20250827500830.

It is an arithmetic number, because the mean of its divisors is an integer number (20250827500830).

Almost surely, 2^{40501655001659} is an apocalyptic number.

40501655001659 is a deficient number, since it is larger than the sum of its proper divisors (1).

40501655001659 is an equidigital number, since it uses as much as digits as its factorization.

40501655001659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 40501655001659 in words is "forty trillion, five hundred one billion, six hundred fifty-five million, one thousand, six hundred fifty-nine".