5201312240 has 20 divisors (see below), whose sum is σ = 12093051144. Its totient is φ = 2080524864.

The previous prime is 5201312239. The next prime is 5201312273. The reversal of 5201312240 is 422131025.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32508122 + ... + 32508281.

Almost surely, 2^5201312240 is an apocalyptic number.

It is an amenable number.

5201312240 is an abundant number, since it is smaller than the sum of its proper divisors (6891738904).

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

5201312240 is a wasteful number, since it uses less digits than its factorization.

5201312240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65016416 (or 65016410 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 5201312240 is about 72120.1236826449. The cubic root of 5201312240 is about 1732.6239309381.

Adding to 5201312240 its reverse (422131025), we get a palindrome (5623443265).

The spelling of 5201312240 in words is "five billion, two hundred one million, three hundred twelve thousand, two hundred forty".