5202640940 has 72 divisors (see below), whose sum is σ = 13053012000. Its totient is φ = 1706183424.

The previous prime is 5202640901. The next prime is 5202640969. The reversal of 5202640940 is 490462025.

It is a junction number, because it is equal to n+sod(n) for n = 5202640897 and 5202640906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38936 + ... + 109184.

Almost surely, 2^5202640940 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 5202640940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6526506000).

5202640940 is an abundant number, since it is smaller than the sum of its proper divisors (7850371060).

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

5202640940 is a wasteful number, since it uses less digits than its factorization.

5202640940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70311 (or 70286 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 5202640940 is about 72129.3348090775. The cubic root of 5202640940 is about 1732.7714540571.

The spelling of 5202640940 in words is "five billion, two hundred two million, six hundred forty thousand, nine hundred forty".