54042440404 has 12 divisors (see below), whose sum is σ = 94575999700. Its totient is φ = 27020726208.

The previous prime is 54042440393. The next prime is 54042440437. The reversal of 54042440404 is 40404424045.

It can be written as a sum of positive squares in 2 ways, for example, as 11006108100 + 43036332304 = 104910^2 + 207452^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244462 + ... + 409690.

Almost surely, 2^54042440404 is an apocalyptic number.

It is an amenable number.

54042440404 is a deficient number, since it is larger than the sum of its proper divisors (40533559296).

54042440404 is a wasteful number, since it uses less digits than its factorization.

54042440404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247002 (or 247000 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 31.

Adding to 54042440404 its reverse (40404424045), we get a palindrome (94446864449).

The spelling of 54042440404 in words is "fifty-four billion, forty-two million, four hundred forty thousand, four hundred four".