4481520540 has 48 divisors (see below), whose sum is σ = 14340867072. Its totient is φ = 1024347456.

The previous prime is 4481520499. The next prime is 4481520551. The reversal of 4481520540 is 450251844.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5334724 + ... + 5335563.

It is an arithmetic number, because the mean of its divisors is an integer number (298768064).

Almost surely, 2^4481520540 is an apocalyptic number.

It is an amenable number.

4481520540 is an abundant number, since it is smaller than the sum of its proper divisors (9859346532).

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

4481520540 is a wasteful number, since it uses less digits than its factorization.

4481520540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10670306 (or 10670304 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 4481520540 is about 66944.1598647709. The cubic root of 4481520540 is about 1648.7006041589.

The spelling of 4481520540 in words is "four billion, four hundred eighty-one million, five hundred twenty thousand, five hundred forty".