5312044305540 has 216 divisors, whose sum is σ = 18746707051800. Its totient is φ = 1214001524736.

The previous prime is 5312044305539. The next prime is 5312044305577. The reversal of 5312044305540 is 455034402135.

5312044305540 is a `hidden beast` number, since 5 + 3 + 120 + 443 + 0 + 55 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 429066921024 + 4882977384516 = 655032^2 + 2209746^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5312044305495 and 5312044305504.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 64777204 + ... + 64859156.

It is an arithmetic number, because the mean of its divisors is an integer number (86790310425).

Almost surely, 2^{5312044305540} 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 5312044305540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9373353525900).

5312044305540 is an abundant number, since it is smaller than the sum of its proper divisors (13434662746260).

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

5312044305540 is a wasteful number, since it uses less digits than its factorization.

5312044305540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89331 (or 89319 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 5312044305540 its reverse (455034402135), we get a palindrome (5767078707675).

The spelling of 5312044305540 in words is "five trillion, three hundred twelve billion, forty-four million, three hundred five thousand, five hundred forty".