5263605037440 has 384 divisors, whose sum is σ = 18909848805120. Its totient is φ = 1399101880320.

The previous prime is 5263605037423. The next prime is 5263605037441. The reversal of 5263605037440 is 447305063625.

5263605037440 is a `hidden beast` number, since 5 + 2 + 6 + 3 + 605 + 0 + 37 + 4 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5263605037441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48312307 + ... + 48421133.

It is an arithmetic number, because the mean of its divisors is an integer number (49244397930).

Almost surely, 2^{5263605037440} 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 5263605037440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9454924402560).

5263605037440 is an abundant number, since it is smaller than the sum of its proper divisors (13646243767680).

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

5263605037440 is a wasteful number, since it uses less digits than its factorization.

5263605037440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109172 (or 109148 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 45.

The spelling of 5263605037440 in words is "five trillion, two hundred sixty-three billion, six hundred five million, thirty-seven thousand, four hundred forty".