5200350640 has 80 divisors (see below), whose sum is σ = 12292793568. Its totient is φ = 2045564928.

The previous prime is 5200350613. The next prime is 5200350647. The reversal of 5200350640 is 460530025.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (5200350647) 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, 2317359 + ... + 2319601.

Almost surely, 2^5200350640 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 5200350640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6146396784).

5200350640 is an abundant number, since it is smaller than the sum of its proper divisors (7092442928).

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

5200350640 is a wasteful number, since it uses less digits than its factorization.

5200350640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726 (or 2720 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 5200350640 is about 72113.4567192559. The cubic root of 5200350640 is about 1732.5171505860.

Adding to 5200350640 its reverse (460530025), we get a palindrome (5660880665).

The spelling of 5200350640 in words is "five billion, two hundred million, three hundred fifty thousand, six hundred forty".