504140454 has 12 divisors (see below), whose sum is σ = 1092304356. Its totient is φ = 168046812.

The previous prime is 504140453. The next prime is 504140467. The reversal of 504140454 is 454041405.

It is a super-2 number, since 2×504140454² = 508315194718652232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504140453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14003884 + ... + 14003919.

It is an arithmetic number, because the mean of its divisors is an integer number (91025363).

Almost surely, 2^504140454 is an apocalyptic number.

504140454 is an abundant number, since it is smaller than the sum of its proper divisors (588163902).

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

504140454 is a wasteful number, since it uses less digits than its factorization.

504140454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28007811 (or 28007808 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 504140454 is about 22453.0722619422. The cubic root of 504140454 is about 795.8853599118.

Adding to 504140454 its reverse (454041405), we get a palindrome (958181859).

The spelling of 504140454 in words is "five hundred four million, one hundred forty thousand, four hundred fifty-four".