40836472739 has 2 divisors, whose sum is σ = 40836472740. Its totient is φ = 40836472738.

The previous prime is 40836472693. The next prime is 40836472799. The reversal of 40836472739 is 93727463804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40836472739 - 2⁸ = 40836472483 is a prime.

It is not a weakly prime, because it can be changed into another prime (40836472799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20418236369 + 20418236370.

It is an arithmetic number, because the mean of its divisors is an integer number (20418236370).

Almost surely, 2^40836472739 is an apocalyptic number.

40836472739 is a deficient number, since it is larger than the sum of its proper divisors (1).

40836472739 is an equidigital number, since it uses as much as digits as its factorization.

40836472739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 40836472739 in words is "forty billion, eight hundred thirty-six million, four hundred seventy-two thousand, seven hundred thirty-nine".