5253262660440 has 256 divisors, whose sum is σ = 17925759244800. Its totient is φ = 1367707203072.

The previous prime is 5253262660409. The next prime is 5253262660453. The reversal of 5253262660440 is 440662623525.

5253262660440 is a `hidden beast` number, since 5 + 2 + 5 + 32 + 6 + 2 + 6 + 604 + 4 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114544554 + ... + 114590406.

It is an arithmetic number, because the mean of its divisors is an integer number (70022497050).

Almost surely, 2^{5253262660440} 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 5253262660440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8962879622400).

5253262660440 is an abundant number, since it is smaller than the sum of its proper divisors (12672496584360).

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

5253262660440 is a wasteful number, since it uses less digits than its factorization.

5253262660440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48383 (or 48373 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 5253262660440 in words is "five trillion, two hundred fifty-three billion, two hundred sixty-two million, six hundred sixty thousand, four hundred forty".