2381881832 has 32 divisors (see below), whose sum is σ = 5158624320. Its totient is φ = 1018986240.

The previous prime is 2381881829. The next prime is 2381881871.

2381881832 is nontrivially palindromic in base 10.

2381881832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2381881832² = 11346722123223352448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794588 + ... + 797579.

It is an arithmetic number, because the mean of its divisors is an integer number (161207010).

Almost surely, 2^2381881832 is an apocalyptic number.

2381881832 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2381881832 is an abundant number, since it is smaller than the sum of its proper divisors (2776742488).

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

2381881832 is a wasteful number, since it uses less digits than its factorization.

2381881832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592201 (or 1592197 counting only the distinct ones).

The product of its digits is 147456, while the sum is 44.

The square root of 2381881832 is about 48804.5267572589. The cubic root of 2381881832 is about 1335.4882477705.

The spelling of 2381881832 in words is "two billion, three hundred eighty-one million, eight hundred eighty-one thousand, eight hundred thirty-two".