544453420025 has 24 divisors (see below), whose sum is σ = 678100631520. Its totient is φ = 433643898240.

The previous prime is 544453420009. The next prime is 544453420031. The reversal of 544453420025 is 520024354445.

It is not a de Polignac number, because 544453420025 - 2⁴ = 544453420009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8195141 + ... + 8261309.

It is an arithmetic number, because the mean of its divisors is an integer number (28254192980).

Almost surely, 2^544453420025 is an apocalyptic number.

It is an amenable number.

544453420025 is a deficient number, since it is larger than the sum of its proper divisors (133647211495).

544453420025 is a wasteful number, since it uses less digits than its factorization.

544453420025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67625 (or 67620 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 38.

The spelling of 544453420025 in words is "five hundred forty-four billion, four hundred fifty-three million, four hundred twenty thousand, twenty-five".