40386512029 has 2 divisors, whose sum is σ = 40386512030. Its totient is φ = 40386512028.

The previous prime is 40386512021. The next prime is 40386512057. The reversal of 40386512029 is 92021568304.

40386512029 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., 28858195129 + 11528316900 = 169877^2 + 107370^2 .

It is a cyclic number.

It is not a de Polignac number, because 40386512029 - 2³ = 40386512021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40386511982 and 40386512000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40386512021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20193256014 + 20193256015.

It is an arithmetic number, because the mean of its divisors is an integer number (20193256015).

Almost surely, 2^40386512029 is an apocalyptic number.

It is an amenable number.

40386512029 is a deficient number, since it is larger than the sum of its proper divisors (1).

40386512029 is an equidigital number, since it uses as much as digits as its factorization.

40386512029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 40386512029 in words is "forty billion, three hundred eighty-six million, five hundred twelve thousand, twenty-nine".