38040421211 has 24 divisors (see below), whose sum is σ = 42861632016. Its totient is φ = 33558972480.

The previous prime is 38040421193. The next prime is 38040421259. The reversal of 38040421211 is 11212404083.

It is a de Polignac number, because none of the positive numbers 2^k-38040421211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38040421261) 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 23 ways as a sum of consecutive naturals, for example, 16042856 + ... + 16045226.

It is an arithmetic number, because the mean of its divisors is an integer number (1785901334).

Almost surely, 2^38040421211 is an apocalyptic number.

38040421211 is a deficient number, since it is larger than the sum of its proper divisors (4821210805).

38040421211 is a wasteful number, since it uses less digits than its factorization.

38040421211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4763 (or 4740 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 38040421211 its reverse (11212404083), we get a palindrome (49252825294).

The spelling of 38040421211 in words is "thirty-eight billion, forty million, four hundred twenty-one thousand, two hundred eleven".