5196565440 has 336 divisors, whose sum is σ = 20648066400. Its totient is φ = 1185546240.

The previous prime is 5196565399. The next prime is 5196565441. The reversal of 5196565440 is 445656915.

5196565440 is a `hidden beast` number, since 51 + 9 + 6 + 56 + 544 + 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 not an unprimeable number, because it can be changed into a prime (5196565441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 533736 + ... + 543384.

Almost surely, 2^5196565440 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 5196565440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10324033200).

5196565440 is an abundant number, since it is smaller than the sum of its proper divisors (15451500960).

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

5196565440 is a wasteful number, since it uses less digits than its factorization.

5196565440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9700 (or 9687 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 5196565440 is about 72087.2071868511. The cubic root of 5196565440 is about 1732.0966971634.

The spelling of 5196565440 in words is "five billion, one hundred ninety-six million, five hundred sixty-five thousand, four hundred forty".