5253072440 has 128 divisors (see below), whose sum is σ = 15037056000. Its totient is φ = 1637274240.

The previous prime is 5253072439. The next prime is 5253072469. The reversal of 5253072440 is 442703525.

It is a junction number, because it is equal to n+sod(n) for n = 5253072397 and 5253072406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133517 + ... + 168323.

It is an arithmetic number, because the mean of its divisors is an integer number (117477000).

Almost surely, 2^5253072440 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 5253072440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7518528000).

5253072440 is an abundant number, since it is smaller than the sum of its proper divisors (9783983560).

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

5253072440 is a wasteful number, since it uses less digits than its factorization.

5253072440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34850 (or 34832 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 5253072440 is about 72478.0824801540. The cubic root of 5253072440 is about 1738.3523002400.

Adding to 5253072440 its reverse (442703525), we get a palindrome (5695775965).

The spelling of 5253072440 in words is "five billion, two hundred fifty-three million, seventy-two thousand, four hundred forty".