5540134320 has 400 divisors, whose sum is σ = 22591702848. Its totient is φ = 1231718400.

The previous prime is 5540134297. The next prime is 5540134321. The reversal of 5540134320 is 234310455.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5540134321) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1676670 + ... + 1679970.

Almost surely, 2^5540134320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5540134320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11295851424).

5540134320 is an abundant number, since it is smaller than the sum of its proper divisors (17051568528).

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

5540134320 is a wasteful number, since it uses less digits than its factorization.

5540134320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370 (or 3355 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 5540134320 is about 74432.0785683162. The cubic root of 5540134320 is about 1769.4573458569.

Adding to 5540134320 its reverse (234310455), we get a palindrome (5774444775).

The spelling of 5540134320 in words is "five billion, five hundred forty million, one hundred thirty-four thousand, three hundred twenty".