6523376340 has 384 divisors, whose sum is σ = 21764090880. Its totient is φ = 1453670400.

The previous prime is 6523376329. The next prime is 6523376341. The reversal of 6523376340 is 436733256.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6523376341) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 91878505 + ... + 91878575.

It is an arithmetic number, because the mean of its divisors is an integer number (56677320).

Almost surely, 2^6523376340 is an apocalyptic number.

6523376340 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 6523376340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10882045440).

6523376340 is an abundant number, since it is smaller than the sum of its proper divisors (15240714540).

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

6523376340 is a wasteful number, since it uses less digits than its factorization.

6523376340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 39.

The square root of 6523376340 is about 80767.4212786319. The cubic root of 6523376340 is about 1868.4901440821.

The spelling of 6523376340 in words is "six billion, five hundred twenty-three million, three hundred seventy-six thousand, three hundred forty".