4381436544 has 32 divisors (see below), whose sum is σ = 11638191840. Its totient is φ = 1460478720.

The previous prime is 4381436533. The next prime is 4381436561. The reversal of 4381436544 is 4456341834.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 4381436496 and 4381436505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5704612 + ... + 5705379.

It is an arithmetic number, because the mean of its divisors is an integer number (363693495).

Almost surely, 2^4381436544 is an apocalyptic number.

It is an amenable number.

4381436544 is an abundant number, since it is smaller than the sum of its proper divisors (7256755296).

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

4381436544 is a wasteful number, since it uses less digits than its factorization.

4381436544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11410008 (or 11409996 counting only the distinct ones).

The product of its digits is 552960, while the sum is 42.

The square root of 4381436544 is about 66192.4205932975. The cubic root of 4381436544 is about 1636.3348330194.

The spelling of 4381436544 in words is "four billion, three hundred eighty-one million, four hundred thirty-six thousand, five hundred forty-four".