38648550505 has 32 divisors (see below), whose sum is σ = 47377159200. Its totient is φ = 30261903360.

The previous prime is 38648550469. The next prime is 38648550517. The reversal of 38648550505 is 50505584683.

38648550505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 6954225664 + 31694324841 = 83392^2 + 178029^2 .

It is not a de Polignac number, because 38648550505 - 2⁹ = 38648549993 is a prime.

It is a super-2 number, since 2×38648550505² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18571065 + ... + 18573145.

It is an arithmetic number, because the mean of its divisors is an integer number (1480536225).

Almost surely, 2^38648550505 is an apocalyptic number.

It is an amenable number.

38648550505 is a deficient number, since it is larger than the sum of its proper divisors (8728608695).

38648550505 is a wasteful number, since it uses less digits than its factorization.

38648550505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589.

The product of its (nonzero) digits is 2880000, while the sum is 49.

The spelling of 38648550505 in words is "thirty-eight billion, six hundred forty-eight million, five hundred fifty thousand, five hundred five".