38888880 has 80 divisors (see below), whose sum is σ = 124468224. Its totient is φ = 10033920.

The previous prime is 38888879. The next prime is 38888891. The reversal of 38888880 is 8888883.

38888880 = 1105² + 1106² + ... + 1135².

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4827 + ... + 10053.

Almost surely, 2^38888880 is an apocalyptic number.

38888880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38888880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62234112).

38888880 is an abundant number, since it is smaller than the sum of its proper divisors (85579344).

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

38888880 is a wasteful number, since it uses less digits than its factorization.

38888880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274 (or 5268 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 51.

The square root of 38888880 is about 6236.0949319265. The cubic root of 38888880 is about 338.7987597917.

The spelling of 38888880 in words is "thirty-eight million, eight hundred eighty-eight thousand, eight hundred eighty".