5440252100 has 72 divisors (see below), whose sum is σ = 12743559360. Its totient is φ = 2009687680.

The previous prime is 5440252067. The next prime is 5440252109. The reversal of 5440252100 is 12520445.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (5440252109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25919 + ... + 107481.

It is an arithmetic number, because the mean of its divisors is an integer number (176993880).

Almost surely, 2^5440252100 is an apocalyptic number.

5440252100 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 5440252100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6371779680).

5440252100 is an abundant number, since it is smaller than the sum of its proper divisors (7303307260).

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

5440252100 is a wasteful number, since it uses less digits than its factorization.

5440252100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81629 (or 81622 counting only the distinct ones).

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

The square root of 5440252100 is about 73758.0646438069. The cubic root of 5440252100 is about 1758.7590361093.

Adding to 5440252100 its reverse (12520445), we get a palindrome (5452772545).

The spelling of 5440252100 in words is "five billion, four hundred forty million, two hundred fifty-two thousand, one hundred".