544420012551 has 8 divisors (see below), whose sum is σ = 730346684160. Its totient is φ = 360720007992.

The previous prime is 544420012547. The next prime is 544420012573. The reversal of 544420012551 is 155210024445.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 544420012551 - 2² = 544420012547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544420512551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556666191 + ... + 556667168.

It is an arithmetic number, because the mean of its divisors is an integer number (91293335520).

Almost surely, 2^544420012551 is an apocalyptic number.

544420012551 is a deficient number, since it is larger than the sum of its proper divisors (185926671609).

544420012551 is a wasteful number, since it uses less digits than its factorization.

544420012551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113333525.

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

Adding to 544420012551 its reverse (155210024445), we get a palindrome (699630036996).

The spelling of 544420012551 in words is "five hundred forty-four billion, four hundred twenty million, twelve thousand, five hundred fifty-one".