544400203123225 has 24 divisors (see below), whose sum is σ = 705452154422400. Its totient is φ = 416340897510720.

The previous prime is 544400203123223. The next prime is 544400203123243. The reversal of 544400203123225 is 522321302004445.

It is a happy number.

It is not a de Polignac number, because 544400203123225 - 2¹ = 544400203123223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (544400203123223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5387383450 + ... + 5387484499.

It is an arithmetic number, because the mean of its divisors is an integer number (29393839767600).

Almost surely, 2^{544400203123225} is an apocalyptic number.

It is an amenable number.

544400203123225 is a deficient number, since it is larger than the sum of its proper divisors (161051951299175).

544400203123225 is a wasteful number, since it uses less digits than its factorization.

544400203123225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10774868049 (or 10774868044 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 544400203123225 in words is "five hundred forty-four trillion, four hundred billion, two hundred three million, one hundred twenty-three thousand, two hundred twenty-five".