5212005640 has 16 divisors (see below), whose sum is σ = 11727012780. Its totient is φ = 2084802240.

The previous prime is 5212005611. The next prime is 5212005641. The reversal of 5212005640 is 465002125.

It can be written as a sum of positive squares in 2 ways, for example, as 4426773156 + 785232484 = 66534^2 + 28022^2 .

It is not an unprimeable number, because it can be changed into a prime (5212005641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65150031 + ... + 65150110.

Almost surely, 2^5212005640 is an apocalyptic number.

It is an amenable number.

5212005640 is an abundant number, since it is smaller than the sum of its proper divisors (6515007140).

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

5212005640 is a wasteful number, since it uses less digits than its factorization.

5212005640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130300152 (or 130300148 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 5212005640 is about 72194.2216524287. The cubic root of 5212005640 is about 1733.8104878012.

Adding to 5212005640 its reverse (465002125), we get a palindrome (5677007765).

The spelling of 5212005640 in words is "five billion, two hundred twelve million, five thousand, six hundred forty".