38745255205 has 8 divisors (see below), whose sum is σ = 46790449272. Its totient is φ = 30798775488.

The previous prime is 38745255181. The next prime is 38745255209. The reversal of 38745255205 is 50255254783.

It can be written as a sum of positive squares in 4 ways, for example, as 1078596964 + 37666658241 = 32842^2 + 194079^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 38745255205 - 2⁷ = 38745255077 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 (38745255209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24677722 + ... + 24679291.

It is an arithmetic number, because the mean of its divisors is an integer number (5848806159).

Almost surely, 2^38745255205 is an apocalyptic number.

It is an amenable number.

38745255205 is a deficient number, since it is larger than the sum of its proper divisors (8045194067).

38745255205 is a wasteful number, since it uses less digits than its factorization.

38745255205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49357175.

The product of its (nonzero) digits is 1680000, while the sum is 46.

The spelling of 38745255205 in words is "thirty-eight billion, seven hundred forty-five million, two hundred fifty-five thousand, two hundred five".