5121565340 has 24 divisors (see below), whose sum is σ = 10762022880. Its totient is φ = 2047343168.

The previous prime is 5121565327. The next prime is 5121565343. The reversal of 5121565340 is 435651215.

It is a junction number, because it is equal to n+sod(n) for n = 5121565297 and 5121565306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121565343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47120 + ... + 111639.

It is an arithmetic number, because the mean of its divisors is an integer number (448417620).

Almost surely, 2^5121565340 is an apocalyptic number.

It is an amenable number.

5121565340 is an abundant number, since it is smaller than the sum of its proper divisors (5640457540).

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

5121565340 is a wasteful number, since it uses less digits than its factorization.

5121565340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160381 (or 160379 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 5121565340 is about 71565.1125898646. The cubic root of 5121565340 is about 1723.7233811490.

The spelling of 5121565340 in words is "five billion, one hundred twenty-one million, five hundred sixty-five thousand, three hundred forty".