505126434 has 8 divisors (see below), whose sum is σ = 1010252880. Its totient is φ = 168375476.

The previous prime is 505126399. The next prime is 505126439. The reversal of 505126434 is 434621505.

It is a sphenic number, since it is the product of 3 distinct primes.

505126434 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (505126439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42093864 + ... + 42093875.

It is an arithmetic number, because the mean of its divisors is an integer number (126281610).

Almost surely, 2^505126434 is an apocalyptic number.

505126434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

505126434 is a wasteful number, since it uses less digits than its factorization.

505126434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84187744.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 505126434 is about 22475.0179977681. The cubic root of 505126434 is about 796.4038768023.

Adding to 505126434 its reverse (434621505), we get a palindrome (939747939).

The spelling of 505126434 in words is "five hundred five million, one hundred twenty-six thousand, four hundred thirty-four".