505042454 has 16 divisors (see below), whose sum is σ = 877982976. Its totient is φ = 213397800.

The previous prime is 505042451. The next prime is 505042457. The reversal of 505042454 is 454240505.

It is an interprime number because it is at equal distance from previous prime (505042451) and next prime (505042457).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505042451) 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, 253052 + ... + 255039.

It is an arithmetic number, because the mean of its divisors is an integer number (54873936).

Almost surely, 2^505042454 is an apocalyptic number.

505042454 is a deficient number, since it is larger than the sum of its proper divisors (372940522).

505042454 is a wasteful number, since it uses less digits than its factorization.

505042454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508171.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 505042454 is about 22473.1496234951. The cubic root of 505042454 is about 796.3597388731.

Adding to 505042454 its reverse (454240505), we get a palindrome (959282959).

The spelling of 505042454 in words is "five hundred five million, forty-two thousand, four hundred fifty-four".