505120153122444 has 48 divisors (see below), whose sum is σ = 1187783201670912. Its totient is φ = 167067324036672.

The previous prime is 505120153122391. The next prime is 505120153122511. The reversal of 505120153122444 is 444221351021505.

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, 240818734 + ... + 242907189.

It is an arithmetic number, because the mean of its divisors is an integer number (24745483368144).

Almost surely, 2^{505120153122444} is an apocalyptic number.

It is an amenable number.

505120153122444 is an abundant number, since it is smaller than the sum of its proper divisors (682663048548468).

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

505120153122444 is a wasteful number, since it uses less digits than its factorization.

505120153122444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483726606 (or 483726604 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 505120153122444 in words is "five hundred five trillion, one hundred twenty billion, one hundred fifty-three million, one hundred twenty-two thousand, four hundred forty-four".