551310441220404 has 72 divisors (see below), whose sum is σ = 1407401204692392. Its totient is φ = 181948960108800.

The previous prime is 551310441220333. The next prime is 551310441220417. The reversal of 551310441220404 is 404022144013155.

551310441220404 is a `hidden beast` number, since 5 + 5 + 1 + 3 + 1 + 0 + 441 + 2 + 204 + 0 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 67446831610404 + 483863609610000 = 8212602^2 + 21996900^2 .

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429326802 + ... + 430609014.

It is an arithmetic number, because the mean of its divisors is an integer number (19547238954061).

Almost surely, 2^{551310441220404} is an apocalyptic number.

It is an amenable number.

551310441220404 is an abundant number, since it is smaller than the sum of its proper divisors (856090763471988).

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

551310441220404 is a wasteful number, since it uses less digits than its factorization.

551310441220404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400577 (or 1400572 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 551310441220404 its reverse (404022144013155), we get a palindrome (955332585233559).

The spelling of 551310441220404 in words is "five hundred fifty-one trillion, three hundred ten billion, four hundred forty-one million, two hundred twenty thousand, four hundred four".