505442400104 has 32 divisors (see below), whose sum is σ = 961196920320. Its totient is φ = 249145229376.

The previous prime is 505442400041. The next prime is 505442400107. The reversal of 505442400104 is 401004244505.

It is not an unprimeable number, because it can be changed into a prime (505442400107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191587 + ... + 1559090.

It is an arithmetic number, because the mean of its divisors is an integer number (30037403760).

Almost surely, 2^505442400104 is an apocalyptic number.

It is an amenable number.

505442400104 is a deficient number, since it is larger than the sum of its proper divisors (455754520216).

505442400104 is a wasteful number, since it uses less digits than its factorization.

505442400104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751009 (or 2751005 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 505442400104 its reverse (401004244505), we get a palindrome (906446644609).

The spelling of 505442400104 in words is "five hundred five billion, four hundred forty-two million, four hundred thousand, one hundred four".