5181553240 has 32 divisors (see below), whose sum is σ = 11671128000. Its totient is φ = 2070375424.

The previous prime is 5181553231. The next prime is 5181553243. The reversal of 5181553240 is 423551815.

It is a junction number, because it is equal to n+sod(n) for n = 5181553196 and 5181553205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181553243) 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, 32560 + ... + 106879.

It is an arithmetic number, because the mean of its divisors is an integer number (364722750).

Almost surely, 2^5181553240 is an apocalyptic number.

It is an amenable number.

5181553240 is an abundant number, since it is smaller than the sum of its proper divisors (6489574760).

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

5181553240 is a wasteful number, since it uses less digits than its factorization.

5181553240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140379 (or 140375 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 5181553240 is about 71983.0066057260. The cubic root of 5181553240 is about 1730.4271545936.

The spelling of 5181553240 in words is "five billion, one hundred eighty-one million, five hundred fifty-three thousand, two hundred forty".