40218146179 has 2 divisors, whose sum is σ = 40218146180. Its totient is φ = 40218146178.

The previous prime is 40218146149. The next prime is 40218146197. The reversal of 40218146179 is 97164181204.

Together with next prime (40218146197) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40218146179 - 2¹⁹ = 40217621891 is a prime.

It is not a weakly prime, because it can be changed into another prime (40218146149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20109073089 + 20109073090.

It is an arithmetic number, because the mean of its divisors is an integer number (20109073090).

Almost surely, 2^40218146179 is an apocalyptic number.

40218146179 is a deficient number, since it is larger than the sum of its proper divisors (1).

40218146179 is an equidigital number, since it uses as much as digits as its factorization.

40218146179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 40218146179 in words is "forty billion, two hundred eighteen million, one hundred forty-six thousand, one hundred seventy-nine".