505230150404 has 72 divisors (see below), whose sum is σ = 1089181584792. Its totient is φ = 203757173760.

The previous prime is 505230150389. The next prime is 505230150409. The reversal of 505230150404 is 404051032505.

It can be written as a sum of positive squares in 4 ways, for example, as 48589384900 + 456640765504 = 220430^2 + 675752^2 .

It is a super-2 number, since 2×505230150404² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (505230150409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39034574 + ... + 39047514.

It is an arithmetic number, because the mean of its divisors is an integer number (15127522011).

Almost surely, 2^505230150404 is an apocalyptic number.

It is an amenable number.

505230150404 is an abundant number, since it is smaller than the sum of its proper divisors (583951434388).

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

505230150404 is a wasteful number, since it uses less digits than its factorization.

505230150404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24693 (or 24684 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 505230150404 its reverse (404051032505), we get a palindrome (909281182909).

The spelling of 505230150404 in words is "five hundred five billion, two hundred thirty million, one hundred fifty thousand, four hundred four".