544105205421000 has 128 divisors (see below), whose sum is σ = 1697823011813760. Its totient is φ = 145076364960000.

The previous prime is 544105205420989. The next prime is 544105205421031. The reversal of 544105205421000 is 124502501445.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12252150 + ... + 35189850.

It is an arithmetic number, because the mean of its divisors is an integer number (13264242279795).

Almost surely, 2^{544105205421000} is an apocalyptic number.

544105205421000 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 544105205421000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (848911505906880).

544105205421000 is an abundant number, since it is smaller than the sum of its proper divisors (1153717806392760).

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

544105205421000 is a wasteful number, since it uses less digits than its factorization.

544105205421000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22945632 (or 22945618 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 544105205421000 its reverse (124502501445), we get a palindrome (544229707922445).

The spelling of 544105205421000 in words is "five hundred forty-four trillion, one hundred five billion, two hundred five million, four hundred twenty-one thousand".