38400382220 has 24 divisors (see below), whose sum is σ = 80727645600. Its totient is φ = 15343611392.

The previous prime is 38400382157. The next prime is 38400382247. The reversal of 38400382220 is 2228300483.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014800 + ... + 1051959.

It is an arithmetic number, because the mean of its divisors is an integer number (3363651900).

Almost surely, 2^38400382220 is an apocalyptic number.

It is an amenable number.

38400382220 is an abundant number, since it is smaller than the sum of its proper divisors (42327263380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38400382220 is a wasteful number, since it uses less digits than its factorization.

38400382220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067697 (or 2067695 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 38400382220 in words is "thirty-eight billion, four hundred million, three hundred eighty-two thousand, two hundred twenty".