52042405404 has 72 divisors (see below), whose sum is σ = 133519759744. Its totient is φ = 15765156000.

The previous prime is 52042405403. The next prime is 52042405427. The reversal of 52042405404 is 40450424025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52042405403) 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 23 ways as a sum of consecutive naturals, for example, 8457729 + ... + 8463879.

Almost surely, 2^52042405404 is an apocalyptic number.

It is an amenable number.

52042405404 is an abundant number, since it is smaller than the sum of its proper divisors (81477354340).

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

52042405404 is a wasteful number, since it uses less digits than its factorization.

52042405404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12007 (or 11994 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 52042405404 its reverse (40450424025), we get a palindrome (92492829429).

It can be divided in two parts, 52042 and 405404, that added together give a triangular number (457446 = T₉₅₆).

The spelling of 52042405404 in words is "fifty-two billion, forty-two million, four hundred five thousand, four hundred four".