504251142644 has 12 divisors (see below), whose sum is σ = 912868448100. Its totient is φ = 243431586048.

The previous prime is 504251142643. The next prime is 504251142677. The reversal of 504251142644 is 446241152405.

It can be written as a sum of positive squares in 2 ways, for example, as 245005200400 + 259245942244 = 494980^2 + 509162^2 .

It is a junction number, because it is equal to n+sod(n) for n = 504251142598 and 504251142607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504251142643) 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, 2173496189 + ... + 2173496420.

It is an arithmetic number, because the mean of its divisors is an integer number (76072370675).

Almost surely, 2^504251142644 is an apocalyptic number.

It is an amenable number.

504251142644 is a deficient number, since it is larger than the sum of its proper divisors (408617305456).

504251142644 is a wasteful number, since it uses less digits than its factorization.

504251142644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4346992642 (or 4346992640 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

The spelling of 504251142644 in words is "five hundred four billion, two hundred fifty-one million, one hundred forty-two thousand, six hundred forty-four".