504264661644 has 12 divisors (see below), whose sum is σ = 1176617543864. Its totient is φ = 168088220544.

The previous prime is 504264661627. The next prime is 504264661651. The reversal of 504264661644 is 446166462405.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 504264661593 and 504264661602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21011027557 + ... + 21011027580.

Almost surely, 2^504264661644 is an apocalyptic number.

It is an amenable number.

504264661644 is an abundant number, since it is smaller than the sum of its proper divisors (672352882220).

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

504264661644 is a wasteful number, since it uses less digits than its factorization.

504264661644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42022055144 (or 42022055142 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 504264661644 in words is "five hundred four billion, two hundred sixty-four million, six hundred sixty-one thousand, six hundred forty-four".