5197476997440 has 1344 divisors, whose sum is σ = 22655862028800. Its totient is φ = 1070715469824.

The previous prime is 5197476997429. The next prime is 5197476997441. The reversal of 5197476997440 is 447996747915.

5197476997440 is a `hidden beast` number, since 5 + 1 + 97 + 4 + 7 + 6 + 9 + 97 + 440 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5197476997441) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1904533996 + ... + 1904536724.

It is an arithmetic number, because the mean of its divisors is an integer number (16857040200).

Almost surely, 2^{5197476997440} 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 5197476997440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11327931014400).

5197476997440 is an abundant number, since it is smaller than the sum of its proper divisors (17458385031360).

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

5197476997440 is a wasteful number, since it uses less digits than its factorization.

5197476997440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841 (or 2802 counting only the distinct ones).

The product of its (nonzero) digits is 480090240, while the sum is 72.

It can be divided in two parts, 5197476 and 997440, that added together give a palindrome (6194916).

The spelling of 5197476997440 in words is "five trillion, one hundred ninety-seven billion, four hundred seventy-six million, nine hundred ninety-seven thousand, four hundred forty".