40269529 has 2 divisors, whose sum is σ = 40269530. Its totient is φ = 40269528.

The previous prime is 40269517. The next prime is 40269547. The reversal of 40269529 is 92596204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24651225 + 15618304 = 4965^2 + 3952^2 .

It is a cyclic number.

It is not a de Polignac number, because 40269529 - 2¹⁷ = 40138457 is a prime.

It is not a weakly prime, because it can be changed into another prime (40269599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20134764 + 20134765.

It is an arithmetic number, because the mean of its divisors is an integer number (20134765).

Almost surely, 2^40269529 is an apocalyptic number.

It is an amenable number.

40269529 is a deficient number, since it is larger than the sum of its proper divisors (1).

40269529 is an equidigital number, since it uses as much as digits as its factorization.

40269529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 40269529 is about 6345.8276843923. The cubic root of 40269529 is about 342.7616172946.

The spelling of 40269529 in words is "forty million, two hundred sixty-nine thousand, five hundred twenty-nine".