51042104404 has 12 divisors (see below), whose sum is σ = 89553309300. Its totient is φ = 25455444608.

The previous prime is 51042104401. The next prime is 51042104411. The reversal of 51042104404 is 40440124015.

It can be written as a sum of positive squares in 2 ways, for example, as 15675540804 + 35366563600 = 125202^2 + 188060^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51042104401) by changing a digit.

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, 16400149 + ... + 16403260.

It is an arithmetic number, because the mean of its divisors is an integer number (7462775775).

Almost surely, 2^51042104404 is an apocalyptic number.

It is an amenable number.

51042104404 is a deficient number, since it is larger than the sum of its proper divisors (38511204896).

51042104404 is a wasteful number, since it uses less digits than its factorization.

51042104404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32803802 (or 32803800 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 51042104404 its reverse (40440124015), we get a palindrome (91482228419).

The spelling of 51042104404 in words is "fifty-one billion, forty-two million, one hundred four thousand, four hundred four".