5222521440 has 192 divisors, whose sum is σ = 18537361920. Its totient is φ = 1372976640.

The previous prime is 5222521429. The next prime is 5222521457. The reversal of 5222521440 is 441252225.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 298207 + ... + 315233.

It is an arithmetic number, because the mean of its divisors is an integer number (96548760).

Almost surely, 2^5222521440 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 5222521440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9268680960).

5222521440 is an abundant number, since it is smaller than the sum of its proper divisors (13314840480).

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

5222521440 is a wasteful number, since it uses less digits than its factorization.

5222521440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17122 (or 17108 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 5222521440 is about 72267.0148823099. The cubic root of 5222521440 is about 1734.9757561800.

Adding to 5222521440 its reverse (441252225), we get a palindrome (5663773665).

The spelling of 5222521440 in words is "five billion, two hundred twenty-two million, five hundred twenty-one thousand, four hundred forty".