505544430102 has 64 divisors (see below), whose sum is σ = 1047111487488. Its totient is φ = 162547200000.

The previous prime is 505544430089. The next prime is 505544430103. The reversal of 505544430102 is 201034445505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505544430103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190267558 + ... + 190270214.

It is an arithmetic number, because the mean of its divisors is an integer number (16361116992).

Almost surely, 2^505544430102 is an apocalyptic number.

505544430102 is an abundant number, since it is smaller than the sum of its proper divisors (541567057386).

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

505544430102 is a wasteful number, since it uses less digits than its factorization.

505544430102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 505544430102 its reverse (201034445505), we get a palindrome (706578875607).

The spelling of 505544430102 in words is "five hundred five billion, five hundred forty-four million, four hundred thirty thousand, one hundred two".