6512376040 has 64 divisors (see below), whose sum is σ = 15078389760. Its totient is φ = 2529876480.

The previous prime is 6512376023. The next prime is 6512376047. The reversal of 6512376040 is 406732156.

It is a happy number.

It is a super-2 number, since 2×6512376040² = 84822083372732163200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6512375987 and 6512376005.

It is not an unprimeable number, because it can be changed into a prime (6512376047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356817 + ... + 374623.

It is an arithmetic number, because the mean of its divisors is an integer number (235599840).

Almost surely, 2^6512376040 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 6512376040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7539194880).

6512376040 is an abundant number, since it is smaller than the sum of its proper divisors (8566013720).

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

6512376040 is a wasteful number, since it uses less digits than its factorization.

6512376040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18082 (or 18078 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 6512376040 is about 80699.2939250400. The cubic root of 6512376040 is about 1867.4392815022.

The spelling of 6512376040 in words is "six billion, five hundred twelve million, three hundred seventy-six thousand, forty".