2381804500 has 24 divisors (see below), whose sum is σ = 5201862120. Its totient is φ = 952721600.

The previous prime is 2381804473. The next prime is 2381804501. The reversal of 2381804500 is 54081832.

It can be written as a sum of positive squares in 4 ways, for example, as 4656964 + 2377147536 = 2158^2 + 48756^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381804501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2381305 + ... + 2382304.

It is an arithmetic number, because the mean of its divisors is an integer number (216744255).

Almost surely, 2^2381804500 is an apocalyptic number.

2381804500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2381804500 is an abundant number, since it is smaller than the sum of its proper divisors (2820057620).

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

2381804500 is a wasteful number, since it uses less digits than its factorization.

2381804500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4763628 (or 4763616 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 2381804500 is about 48803.7344882541. The cubic root of 2381804500 is about 1335.4737946192.

The spelling of 2381804500 in words is "two billion, three hundred eighty-one million, eight hundred four thousand, five hundred".