505560204436 has 48 divisors (see below), whose sum is σ = 1017245053440. Its totient is φ = 215357372640.

The previous prime is 505560204403. The next prime is 505560204449. The reversal of 505560204436 is 634402065505.

It is a happy number.

It is a super-2 number, since 2×505560204436² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11219431 + ... + 11264401.

It is an arithmetic number, because the mean of its divisors is an integer number (21192605280).

Almost surely, 2^505560204436 is an apocalyptic number.

It is an amenable number.

505560204436 is an abundant number, since it is smaller than the sum of its proper divisors (511684849004).

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

505560204436 is a wasteful number, since it uses less digits than its factorization.

505560204436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47404 (or 47402 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 505560204436 in words is "five hundred five billion, five hundred sixty million, two hundred four thousand, four hundred thirty-six".