5021502540 has 96 divisors (see below), whose sum is σ = 14563039680. Its totient is φ = 1291293696.

The previous prime is 5021502523. The next prime is 5021502557. The reversal of 5021502540 is 452051205.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5021502523) and next prime (5021502557).

It is a self number, because there is not a number n which added to its sum of digits gives 5021502540.

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, 2151214 + ... + 2153546.

It is an arithmetic number, because the mean of its divisors is an integer number (151698330).

Almost surely, 2^5021502540 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 5021502540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7281519840).

5021502540 is an abundant number, since it is smaller than the sum of its proper divisors (9541537140).

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

5021502540 is a wasteful number, since it uses less digits than its factorization.

5021502540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611 (or 3609 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 5021502540 is about 70862.5609190072. The cubic root of 5021502540 is about 1712.4236962468.

Adding to 5021502540 its reverse (452051205), we get a palindrome (5473553745).

The spelling of 5021502540 in words is "five billion, twenty-one million, five hundred two thousand, five hundred forty".