6596497440 has 576 divisors, whose sum is σ = 26012593152. Its totient is φ = 1567641600.

The previous prime is 6596497433. The next prime is 6596497447. The reversal of 6596497440 is 447946956.

It is a happy number.

6596497440 is a `hidden beast` number, since 6 + 59 + 64 + 97 + 440 = 666.

It is an interprime number because it is at equal distance from previous prime (6596497433) and next prime (6596497447).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6596497447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15668430 + ... + 15668850.

It is an arithmetic number, because the mean of its divisors is an integer number (45160752).

Almost surely, 2^6596497440 is an apocalyptic number.

6596497440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6596497440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13006296576).

6596497440 is an abundant number, since it is smaller than the sum of its proper divisors (19416095712).

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

6596497440 is a wasteful number, since it uses less digits than its factorization.

6596497440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The square root of 6596497440 is about 81218.8244189732. The cubic root of 6596497440 is about 1875.4455773041.

The spelling of 6596497440 in words is "six billion, five hundred ninety-six million, four hundred ninety-seven thousand, four hundred forty".