38572100405 has 8 divisors (see below), whose sum is σ = 46304400384. Its totient is φ = 30845760400.

The previous prime is 38572100339. The next prime is 38572100407. The reversal of 38572100405 is 50400127583.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38572100405 - 2¹² = 38572096309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38572100407) 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 7 ways as a sum of consecutive naturals, for example, 1475741 + ... + 1501650.

It is an arithmetic number, because the mean of its divisors is an integer number (5788050048).

Almost surely, 2^38572100405 is an apocalyptic number.

It is an amenable number.

38572100405 is a deficient number, since it is larger than the sum of its proper divisors (7732299979).

38572100405 is a wasteful number, since it uses less digits than its factorization.

38572100405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979987.

The product of its (nonzero) digits is 33600, while the sum is 35.

Adding to 38572100405 its reverse (50400127583), we get a palindrome (88972227988).

The spelling of 38572100405 in words is "thirty-eight billion, five hundred seventy-two million, one hundred thousand, four hundred five".