54441132240 has 160 divisors (see below), whose sum is σ = 184300811136. Its totient is φ = 13184174080.

The previous prime is 54441132233. The next prime is 54441132241. The reversal of 54441132240 is 4223114445.

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 = 54441132198 and 54441132207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54441132241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2664142 + ... + 2684498.

Almost surely, 2^54441132240 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 54441132240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92150405568).

54441132240 is an abundant number, since it is smaller than the sum of its proper divisors (129859678896).

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

54441132240 is a wasteful number, since it uses less digits than its factorization.

54441132240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21397 (or 21391 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 54441132240 its reverse (4223114445), we get a palindrome (58664246685).

It can be divided in two parts, 54441 and 132240, that added together give a palindrome (186681).

The spelling of 54441132240 in words is "fifty-four billion, four hundred forty-one million, one hundred thirty-two thousand, two hundred forty".