2381442784 has 48 divisors (see below), whose sum is σ = 5363584128. Its totient is φ = 1019601792.

The previous prime is 2381442769. The next prime is 2381442787. The reversal of 2381442784 is 4872441832.

It is a self number, because there is not a number n which added to its sum of digits gives 2381442784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381442787) 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, 246819 + ... + 256285.

It is an arithmetic number, because the mean of its divisors is an integer number (111741336).

Almost surely, 2^2381442784 is an apocalyptic number.

It is an amenable number.

2381442784 is an abundant number, since it is smaller than the sum of its proper divisors (2982141344).

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

2381442784 is a wasteful number, since it uses less digits than its factorization.

2381442784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10607 (or 10599 counting only the distinct ones).

The product of its digits is 344064, while the sum is 43.

The square root of 2381442784 is about 48800.0285245818. The cubic root of 2381442784 is about 1335.4061866782.

The spelling of 2381442784 in words is "two billion, three hundred eighty-one million, four hundred forty-two thousand, seven hundred eighty-four".