38206492405 has 16 divisors (see below), whose sum is σ = 46478711664. Its totient is φ = 30146734080.

The previous prime is 38206492369. The next prime is 38206492409. The reversal of 38206492405 is 50429460283.

It can be written as a sum of positive squares in 8 ways, for example, as 699972849 + 37506519556 = 26457^2 + 193666^2 .

It is not a de Polignac number, because 38206492405 - 2²¹ = 38204395253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38206492409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7675 + ... + 276535.

It is an arithmetic number, because the mean of its divisors is an integer number (2904919479).

Almost surely, 2^38206492405 is an apocalyptic number.

It is an amenable number.

38206492405 is a deficient number, since it is larger than the sum of its proper divisors (8272219259).

38206492405 is a wasteful number, since it uses less digits than its factorization.

38206492405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269256.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 38206492405 in words is "thirty-eight billion, two hundred six million, four hundred ninety-two thousand, four hundred five".