505400525430 has 16 divisors (see below), whose sum is σ = 1212961261104. Its totient is φ = 134773473440.

The previous prime is 505400525363. The next prime is 505400525449. The reversal of 505400525430 is 34525004505.

It is a super-2 number, since 2×505400525430² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505400525391 and 505400525400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8423342061 + ... + 8423342120.

It is an arithmetic number, because the mean of its divisors is an integer number (75810078819).

Almost surely, 2^505400525430 is an apocalyptic number.

505400525430 is an abundant number, since it is smaller than the sum of its proper divisors (707560735674).

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

505400525430 is a wasteful number, since it uses less digits than its factorization.

505400525430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16846684191.

The product of its (nonzero) digits is 60000, while the sum is 33.

Adding to 505400525430 its reverse (34525004505), we get a palindrome (539925529935).

The spelling of 505400525430 in words is "five hundred five billion, four hundred million, five hundred twenty-five thousand, four hundred thirty".