40013503529 has 2 divisors, whose sum is σ = 40013503530. Its totient is φ = 40013503528.

The previous prime is 40013503459. The next prime is 40013503547. The reversal of 40013503529 is 92530531004.

40013503529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25560655129 + 14452848400 = 159877^2 + 120220^2 .

It is a cyclic number.

It is not a de Polignac number, because 40013503529 - 2²⁴ = 39996726313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40013503495 and 40013503504.

It is not a weakly prime, because it can be changed into another prime (40013503559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20006751764 + 20006751765.

It is an arithmetic number, because the mean of its divisors is an integer number (20006751765).

Almost surely, 2^40013503529 is an apocalyptic number.

It is an amenable number.

40013503529 is a deficient number, since it is larger than the sum of its proper divisors (1).

40013503529 is an equidigital number, since it uses as much as digits as its factorization.

40013503529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 40013503529 in words is "forty billion, thirteen million, five hundred three thousand, five hundred twenty-nine".