4531518940 has 24 divisors (see below), whose sum is σ = 10248204960. Its totient is φ = 1673176128.

The previous prime is 4531518919. The next prime is 4531518941. The reversal of 4531518940 is 498151354.

It is a junction number, because it is equal to n+sod(n) for n = 4531518893 and 4531518902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4531518941) 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, 8714200 + ... + 8714719.

It is an arithmetic number, because the mean of its divisors is an integer number (427008540).

Almost surely, 2^4531518940 is an apocalyptic number.

It is an amenable number.

4531518940 is an abundant number, since it is smaller than the sum of its proper divisors (5716686020).

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

4531518940 is a wasteful number, since it uses less digits than its factorization.

4531518940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17428941 (or 17428939 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 4531518940 is about 67316.5576957111. The cubic root of 4531518940 is about 1654.8092246091.

The spelling of 4531518940 in words is "four billion, five hundred thirty-one million, five hundred eighteen thousand, nine hundred forty".