40029822529 has 2 divisors, whose sum is σ = 40029822530. Its totient is φ = 40029822528.

The previous prime is 40029822527. The next prime is 40029822559. The reversal of 40029822529 is 92522892004.

40029822529 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., 26675708929 + 13354113600 = 163327^2 + 115560^2 .

It is a cyclic number.

It is not a de Polignac number, because 40029822529 - 2¹ = 40029822527 is a prime.

Together with 40029822527, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40029822527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20014911264 + 20014911265.

It is an arithmetic number, because the mean of its divisors is an integer number (20014911265).

Almost surely, 2^40029822529 is an apocalyptic number.

It is an amenable number.

40029822529 is a deficient number, since it is larger than the sum of its proper divisors (1).

40029822529 is an equidigital number, since it uses as much as digits as its factorization.

40029822529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 40029822529 in words is "forty billion, twenty-nine million, eight hundred twenty-two thousand, five hundred twenty-nine".