5213534103440 has 640 divisors, whose sum is σ = 14512411146240. Its totient is φ = 1724632694784.

The previous prime is 5213534103419. The next prime is 5213534103461. The reversal of 5213534103440 is 443014353125.

It is an interprime number because it is at equal distance from previous prime (5213534103419) and next prime (5213534103461).

It is a self number, because there is not a number n which added to its sum of digits gives 5213534103440.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5944736282 + ... + 5944737158.

It is an arithmetic number, because the mean of its divisors is an integer number (22675642416).

Almost surely, 2^{5213534103440} 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 5213534103440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7256205573120).

5213534103440 is an abundant number, since it is smaller than the sum of its proper divisors (9298877042800).

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

5213534103440 is a wasteful number, since it uses less digits than its factorization.

5213534103440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 5213534103440 its reverse (443014353125), we get a palindrome (5656548456565).

The spelling of 5213534103440 in words is "five trillion, two hundred thirteen billion, five hundred thirty-four million, one hundred three thousand, four hundred forty".