404202560540 has 48 divisors (see below), whose sum is σ = 855645208992. Its totient is φ = 160387159296.

The previous prime is 404202560537. The next prime is 404202560551. The reversal of 404202560540 is 45065202404.

It is a junction number, because it is equal to n+sod(n) for n = 404202560497 and 404202560506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1096874 + ... + 1418286.

It is an arithmetic number, because the mean of its divisors is an integer number (17825941854).

Almost surely, 2^404202560540 is an apocalyptic number.

It is an amenable number.

404202560540 is an abundant number, since it is smaller than the sum of its proper divisors (451442648452).

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

404202560540 is a wasteful number, since it uses less digits than its factorization.

404202560540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321926 (or 321924 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 404202560540 its reverse (45065202404), we get a palindrome (449267762944).

The spelling of 404202560540 in words is "four hundred four billion, two hundred two million, five hundred sixty thousand, five hundred forty".