541553440404 has 12 divisors (see below), whose sum is σ = 1263624694304. Its totient is φ = 180517813464.

The previous prime is 541553440387. The next prime is 541553440409. The reversal of 541553440404 is 404044355145.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541553440409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22564726672 + ... + 22564726695.

Almost surely, 2^541553440404 is an apocalyptic number.

It is an amenable number.

541553440404 is an abundant number, since it is smaller than the sum of its proper divisors (722071253900).

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

541553440404 is a wasteful number, since it uses less digits than its factorization.

541553440404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45129453374 (or 45129453372 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 541553440404 its reverse (404044355145), we get a palindrome (945597795549).

The spelling of 541553440404 in words is "five hundred forty-one billion, five hundred fifty-three million, four hundred forty thousand, four hundred four".