5263157368440 has 192 divisors, whose sum is σ = 17261900884800. Its totient is φ = 1390663766016.

The previous prime is 5263157368421. The next prime is 5263157368459. The reversal of 5263157368440 is 448637513625.

5263157368440 is a `hidden beast` number, since 5 + 2 + 6 + 3 + 1 + 573 + 68 + 4 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (5263157368421) and next prime (5263157368459).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146714826 + ... + 146750694.

It is an arithmetic number, because the mean of its divisors is an integer number (89905733775).

Almost surely, 2^{5263157368440} 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 5263157368440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8630950442400).

5263157368440 is an abundant number, since it is smaller than the sum of its proper divisors (11998743516360).

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

5263157368440 is a wasteful number, since it uses less digits than its factorization.

5263157368440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39606 (or 39599 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 5263157368440 in words is "five trillion, two hundred sixty-three billion, one hundred fifty-seven million, three hundred sixty-eight thousand, four hundred forty".