5021351440 has 120 divisors (see below), whose sum is σ = 13837518360. Its totient is φ = 1689053184.

The previous prime is 5021351429. The next prime is 5021351443. The reversal of 5021351440 is 441531205.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2341011456 + 2680339984 = 48384^2 + 51772^2 .

It is not an unprimeable number, because it can be changed into a prime (5021351443) 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, 195676 + ... + 219844.

It is an arithmetic number, because the mean of its divisors is an integer number (115312653).

Almost surely, 2^5021351440 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 5021351440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6918759180).

5021351440 is an abundant number, since it is smaller than the sum of its proper divisors (8816166920).

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

5021351440 is a wasteful number, since it uses less digits than its factorization.

5021351440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24249 (or 24236 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 5021351440 is about 70861.4947626707. The cubic root of 5021351440 is about 1712.4065201251.

Adding to 5021351440 its reverse (441531205), we get a palindrome (5462882645).

The spelling of 5021351440 in words is "five billion, twenty-one million, three hundred fifty-one thousand, four hundred forty".