544344330420 has 72 divisors (see below), whose sum is σ = 1801284881760. Its totient is φ = 131962261440.

The previous prime is 544344330389. The next prime is 544344330433. The reversal of 544344330420 is 24033443445.

544344330420 is a `hidden beast` number, since 5 + 4 + 4 + 344 + 3 + 304 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137458710 + ... + 137462669.

It is an arithmetic number, because the mean of its divisors is an integer number (25017845580).

Almost surely, 2^544344330420 is an apocalyptic number.

It is an amenable number.

544344330420 is an abundant number, since it is smaller than the sum of its proper divisors (1256940551340).

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

544344330420 is a wasteful number, since it uses less digits than its factorization.

544344330420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274921405 (or 274921400 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 36.

Adding to 544344330420 its reverse (24033443445), we get a palindrome (568377773865).

The spelling of 544344330420 in words is "five hundred forty-four billion, three hundred forty-four million, three hundred thirty thousand, four hundred twenty".