40272818939 has 2 divisors, whose sum is σ = 40272818940. Its totient is φ = 40272818938.

The previous prime is 40272818917. The next prime is 40272818987. The reversal of 40272818939 is 93981827204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40272818939 - 2³² = 35977851643 is a prime.

It is not a weakly prime, because it can be changed into another prime (40272817939) by changing a digit.

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 as a sum of consecutive naturals, namely, 20136409469 + 20136409470.

It is an arithmetic number, because the mean of its divisors is an integer number (20136409470).

Almost surely, 2^40272818939 is an apocalyptic number.

40272818939 is a deficient number, since it is larger than the sum of its proper divisors (1).

40272818939 is an equidigital number, since it uses as much as digits as its factorization.

40272818939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 40272818939 in words is "forty billion, two hundred seventy-two million, eight hundred eighteen thousand, nine hundred thirty-nine".