38840706843 has 16 divisors (see below), whose sum is σ = 52591825920. Its totient is φ = 25493554944.

The previous prime is 38840706829. The next prime is 38840706847. The reversal of 38840706843 is 34860704883.

It is not a de Polignac number, because 38840706843 - 2¹³ = 38840698651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38840706847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148471 + ... + 315792.

It is an arithmetic number, because the mean of its divisors is an integer number (3286989120).

Almost surely, 2^38840706843 is an apocalyptic number.

38840706843 is a deficient number, since it is larger than the sum of its proper divisors (13751119077).

38840706843 is a wasteful number, since it uses less digits than its factorization.

38840706843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464698.

The product of its (nonzero) digits is 3096576, while the sum is 51.

The spelling of 38840706843 in words is "thirty-eight billion, eight hundred forty million, seven hundred six thousand, eight hundred forty-three".