38381019480 has 128 divisors (see below), whose sum is σ = 127996070400. Its totient is φ = 10230192000.

The previous prime is 38381019433. The next prime is 38381019497. The reversal of 38381019480 is 8491018383.

38381019480 is a `hidden beast` number, since 3 + 8 + 381 + 0 + 194 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 2748115 + ... + 2762045.

It is an arithmetic number, because the mean of its divisors is an integer number (999969300).

Almost surely, 2^38381019480 is an apocalyptic number.

38381019480 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 38381019480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63998035200).

38381019480 is an abundant number, since it is smaller than the sum of its proper divisors (89615050920).

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

38381019480 is a wasteful number, since it uses less digits than its factorization.

38381019480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16502 (or 16492 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 38381019480 in words is "thirty-eight billion, three hundred eighty-one million, nineteen thousand, four hundred eighty".