5226503722440 has 1536 divisors, whose sum is σ = 22260201062400. Its totient is φ = 953441280000.

The previous prime is 5226503722423. The next prime is 5226503722483. The reversal of 5226503722440 is 442273056225.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 5226503722392 and 5226503722401.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 6959392065 + ... + 6959392815.

It is an arithmetic number, because the mean of its divisors is an integer number (14492318400).

Almost surely, 2^{5226503722440} 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 5226503722440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11130100531200).

5226503722440 is an abundant number, since it is smaller than the sum of its proper divisors (17033697339960).

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

5226503722440 is a wasteful number, since it uses less digits than its factorization.

5226503722440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 42.

Adding to 5226503722440 its reverse (442273056225), we get a palindrome (5668776778665).

The spelling of 5226503722440 in words is "five trillion, two hundred twenty-six billion, five hundred three million, seven hundred twenty-two thousand, four hundred forty".