5418761021440 has 384 divisors, whose sum is σ = 15470382170880. Its totient is φ = 1801190375424.

The previous prime is 5418761021419. The next prime is 5418761021449. The reversal of 5418761021440 is 441201678145.

It is not an unprimeable number, because it can be changed into a prime (5418761021449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51997867 + ... + 52101973.

It is an arithmetic number, because the mean of its divisors is an integer number (40287453570).

Almost surely, 2^{5418761021440} 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 5418761021440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7735191085440).

5418761021440 is an abundant number, since it is smaller than the sum of its proper divisors (10051621149440).

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

5418761021440 is a wasteful number, since it uses less digits than its factorization.

5418761021440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104187 (or 104167 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

Adding to 5418761021440 its reverse (441201678145), we get a palindrome (5859962699585).

The spelling of 5418761021440 in words is "five trillion, four hundred eighteen billion, seven hundred sixty-one million, twenty-one thousand, four hundred forty".