504453621426 has 32 divisors (see below), whose sum is σ = 1011518471040. Its totient is φ = 167716566144.

The previous prime is 504453621409. The next prime is 504453621461. The reversal of 504453621426 is 624126354405.

It is a happy number.

It is a super-2 number, since 2×504453621426² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3549870 + ... + 3689238.

It is an arithmetic number, because the mean of its divisors is an integer number (31609952220).

Almost surely, 2^504453621426 is an apocalyptic number.

504453621426 is an abundant number, since it is smaller than the sum of its proper divisors (507064849614).

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

504453621426 is a wasteful number, since it uses less digits than its factorization.

504453621426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140930.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 504453621426 in words is "five hundred four billion, four hundred fifty-three million, six hundred twenty-one thousand, four hundred twenty-six".