38840008220 has 48 divisors (see below), whose sum is σ = 87883547808. Its totient is φ = 14333518080.

The previous prime is 38840008213. The next prime is 38840008327. The reversal of 38840008220 is 2280004883.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 479030 + ... + 554210.

It is an arithmetic number, because the mean of its divisors is an integer number (1830907246).

Almost surely, 2^38840008220 is an apocalyptic number.

It is an amenable number.

38840008220 is an abundant number, since it is smaller than the sum of its proper divisors (49043539588).

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

38840008220 is a wasteful number, since it uses less digits than its factorization.

38840008220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77190 (or 77188 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The spelling of 38840008220 in words is "thirty-eight billion, eight hundred forty million, eight thousand, two hundred twenty".