5253103123440 has 320 divisors, whose sum is σ = 17569618329600. Its totient is φ = 1294325609472.

The previous prime is 5253103123423. The next prime is 5253103123511. The reversal of 5253103123440 is 443213013525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34091209 + ... + 34244951.

It is an arithmetic number, because the mean of its divisors is an integer number (54905057280).

Almost surely, 2^{5253103123440} 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 5253103123440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8784809164800).

5253103123440 is an abundant number, since it is smaller than the sum of its proper divisors (12316515206160).

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

5253103123440 is a wasteful number, since it uses less digits than its factorization.

5253103123440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153964 (or 153958 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 5253103123440 its reverse (443213013525), we get a palindrome (5696316136965).

The spelling of 5253103123440 in words is "five trillion, two hundred fifty-three billion, one hundred three million, one hundred twenty-three thousand, four hundred forty".