505541361544434 has 48 divisors (see below), whose sum is σ = 1152998303184000. Its totient is φ = 159643362073248.

The previous prime is 505541361544403. The next prime is 505541361544489. The reversal of 505541361544434 is 434445163145505.

It is a happy number.

505541361544434 is a `hidden beast` number, since 5 + 0 + 5 + 5 + 4 + 1 + 3 + 61 + 544 + 4 + 34 = 666.

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, 37312792 + ... + 49023740.

It is an arithmetic number, because the mean of its divisors is an integer number (24020797983000).

Almost surely, 2^{505541361544434} is an apocalyptic number.

505541361544434 is an abundant number, since it is smaller than the sum of its proper divisors (647456941639566).

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

505541361544434 is a wasteful number, since it uses less digits than its factorization.

505541361544434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11837199 (or 11837196 counting only the distinct ones).

The product of its (nonzero) digits is 34560000, while the sum is 54.

The spelling of 505541361544434 in words is "five hundred five trillion, five hundred forty-one billion, three hundred sixty-one million, five hundred forty-four thousand, four hundred thirty-four".