2381538432 has 512 divisors, whose sum is σ = 8718796800. Its totient is φ = 557383680.

The previous prime is 2381538431. The next prime is 2381538433. The reversal of 2381538432 is 2348351832.

It is an interprime number because it is at equal distance from previous prime (2381538431) and next prime (2381538433).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (2381538431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11286807 + ... + 11287017.

It is an arithmetic number, because the mean of its divisors is an integer number (17028900).

Almost surely, 2^2381538432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2381538432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4359398400).

2381538432 is an abundant number, since it is smaller than the sum of its proper divisors (6337258368).

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

2381538432 is a wasteful number, since it uses less digits than its factorization.

2381538432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 272 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 2381538432 is about 48801.0085141690. The cubic root of 2381538432 is about 1335.4240648068.

The spelling of 2381538432 in words is "two billion, three hundred eighty-one million, five hundred thirty-eight thousand, four hundred thirty-two".