544402240000 has 200 divisors, whose sum is σ = 1362727272060. Its totient is φ = 217202688000.

The previous prime is 544402239947. The next prime is 544402240021. The reversal of 544402240000 is 42204445.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 228881869056 + 315520370944 = 478416^2 + 561712^2 .

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 138558036 + ... + 138561964.

Almost surely, 2^544402240000 is an apocalyptic number.

544402240000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544402240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681363636030).

544402240000 is an abundant number, since it is smaller than the sum of its proper divisors (818325032060).

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

544402240000 is an frugal number, since it uses more digits than its factorization.

544402240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400 (or 4369 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 544402240000 its reverse (42204445), we get a palindrome (544444444445).

The spelling of 544402240000 in words is "five hundred forty-four billion, four hundred two million, two hundred forty thousand".