6312532140 has 144 divisors (see below), whose sum is σ = 20657433888. Its totient is φ = 1554388992.

The previous prime is 6312532117. The next prime is 6312532169. The reversal of 6312532140 is 412352136.

6312532140 is a `hidden beast` number, since 631 + 2 + 5 + 3 + 21 + 4 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142719 + ... + 181641.

It is an arithmetic number, because the mean of its divisors is an integer number (143454402).

Almost surely, 2^6312532140 is an apocalyptic number.

6312532140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

6312532140 is the 64872-nd pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6312532140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10328716944).

6312532140 is an abundant number, since it is smaller than the sum of its proper divisors (14344901748).

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

6312532140 is a wasteful number, since it uses less digits than its factorization.

6312532140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39008 (or 39003 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 6312532140 is about 79451.4451725077. The cubic root of 6312532140 is about 1848.1385845078.

Adding to 6312532140 its reverse (412352136), we get a palindrome (6724884276).

The spelling of 6312532140 in words is "six billion, three hundred twelve million, five hundred thirty-two thousand, one hundred forty".