4881569440 has 96 divisors (see below), whose sum is σ = 12601443456. Its totient is φ = 1772252160.

The previous prime is 4881569423. The next prime is 4881569447. The reversal of 4881569440 is 449651884.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4881569447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1305814 + ... + 1309546.

It is an arithmetic number, because the mean of its divisors is an integer number (131265036).

Almost surely, 2^4881569440 is an apocalyptic number.

4881569440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4881569440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6300721728).

4881569440 is an abundant number, since it is smaller than the sum of its proper divisors (7719874016).

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

4881569440 is a wasteful number, since it uses less digits than its factorization.

4881569440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502 (or 4494 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The square root of 4881569440 is about 69868.2291173893. The cubic root of 4881569440 is about 1696.3670329709.

The spelling of 4881569440 in words is "four billion, eight hundred eighty-one million, five hundred sixty-nine thousand, four hundred forty".