5254040440 has 64 divisors (see below), whose sum is σ = 12973685760. Its totient is φ = 1899093120.

The previous prime is 5254040369. The next prime is 5254040453. The reversal of 5254040440 is 440404525.

It is a junction number, because it is equal to n+sod(n) for n = 5254040399 and 5254040408.

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, 37729 + ... + 109231.

It is an arithmetic number, because the mean of its divisors is an integer number (202713840).

Almost surely, 2^5254040440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5254040440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6486842880).

5254040440 is an abundant number, since it is smaller than the sum of its proper divisors (7719645320).

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

5254040440 is a wasteful number, since it uses less digits than its factorization.

5254040440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71692 (or 71688 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 5254040440 is about 72484.7600534071. The cubic root of 5254040440 is about 1738.4590708773.

Adding to 5254040440 its reverse (440404525), we get a palindrome (5694444965).

The spelling of 5254040440 in words is "five billion, two hundred fifty-four million, forty thousand, four hundred forty".