5640171232 has 48 divisors (see below), whose sum is σ = 11485629792. Its totient is φ = 2724526080.

The previous prime is 5640171197. The next prime is 5640171253. The reversal of 5640171232 is 2321710465.

It is a junction number, because it is equal to n+sod(n) for n = 5640171194 and 5640171203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114268 + ... + 156004.

It is an arithmetic number, because the mean of its divisors is an integer number (239283954).

Almost surely, 2^5640171232 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 5640171232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5742814896).

5640171232 is an abundant number, since it is smaller than the sum of its proper divisors (5845458560).

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

5640171232 is a wasteful number, since it uses less digits than its factorization.

5640171232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41891 (or 41883 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 5640171232 is about 75101.0734410634. The cubic root of 5640171232 is about 1780.0441044494.

Adding to 5640171232 its reverse (2321710465), we get a palindrome (7961881697).

The spelling of 5640171232 in words is "five billion, six hundred forty million, one hundred seventy-one thousand, two hundred thirty-two".