544400540402 has 8 divisors (see below), whose sum is σ = 816614848476. Its totient is φ = 272195590912.

The previous prime is 544400540393. The next prime is 544400540407. The reversal of 544400540402 is 204045004445.

It can be written as a sum of positive squares in 2 ways, for example, as 540902882521 + 3497657881 = 735461^2 + 59141^2 .

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

It is not an unprimeable number, because it can be changed into a prime (544400540407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2192363 + ... + 2428014.

Almost surely, 2^544400540402 is an apocalyptic number.

544400540402 is a deficient number, since it is larger than the sum of its proper divisors (272214308074).

544400540402 is a wasteful number, since it uses less digits than its factorization.

544400540402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4679292.

The product of its (nonzero) digits is 51200, while the sum is 32.

Adding to 544400540402 its reverse (204045004445), we get a palindrome (748445544847).

The spelling of 544400540402 in words is "five hundred forty-four billion, four hundred million, five hundred forty thousand, four hundred two".