5243331540 has 48 divisors (see below), whose sum is σ = 14888119680. Its totient is φ = 1378527360.

The previous prime is 5243331529. The next prime is 5243331547. The reversal of 5243331540 is 451333425.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5243331498 and 5243331507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5243331547) 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, 611155 + ... + 619674.

It is an arithmetic number, because the mean of its divisors is an integer number (310169160).

Almost surely, 2^5243331540 is an apocalyptic number.

It is an amenable number.

5243331540 is an abundant number, since it is smaller than the sum of its proper divisors (9644788140).

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

5243331540 is a wasteful number, since it uses less digits than its factorization.

5243331540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230912 (or 1230910 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 5243331540 is about 72410.8523634407. The cubic root of 5243331540 is about 1737.2771457530.

Adding to 5243331540 its reverse (451333425), we get a palindrome (5694664965).

The spelling of 5243331540 in words is "five billion, two hundred forty-three million, three hundred thirty-one thousand, five hundred forty".