40056042329 has 2 divisors, whose sum is σ = 40056042330. Its totient is φ = 40056042328.

The previous prime is 40056042319. The next prime is 40056042353. The reversal of 40056042329 is 92324065004.

40056042329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39122862025 + 933180304 = 197795^2 + 30548^2 .

It is a cyclic number.

It is not a de Polignac number, because 40056042329 - 2¹² = 40056038233 is a prime.

It is not a weakly prime, because it can be changed into another prime (40056042319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20028021164 + 20028021165.

It is an arithmetic number, because the mean of its divisors is an integer number (20028021165).

Almost surely, 2^40056042329 is an apocalyptic number.

It is an amenable number.

40056042329 is a deficient number, since it is larger than the sum of its proper divisors (1).

40056042329 is an equidigital number, since it uses as much as digits as its factorization.

40056042329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 40056042329 in words is "forty billion, fifty-six million, forty-two thousand, three hundred twenty-nine".