5442521000 has 128 divisors (see below), whose sum is σ = 14591266560. Its totient is φ = 1861344000.

The previous prime is 5442520961. The next prime is 5442521003. The reversal of 5442521000 is 1252445.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5442521003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3940310 + ... + 3941690.

It is an arithmetic number, because the mean of its divisors is an integer number (113994270).

Almost surely, 2^5442521000 is an apocalyptic number.

5442521000 is a gapful number since it is divisible by the number (50) 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 5442521000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7295633280).

5442521000 is an abundant number, since it is smaller than the sum of its proper divisors (9148745560).

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

5442521000 is a wasteful number, since it uses less digits than its factorization.

5442521000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972 (or 1958 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 5442521000 is about 73773.4437314675. The cubic root of 5442521000 is about 1759.0035035643.

Adding to 5442521000 its reverse (1252445), we get a palindrome (5443773445).

The spelling of 5442521000 in words is "five billion, four hundred forty-two million, five hundred twenty-one thousand".