505253403416 has 8 divisors (see below), whose sum is σ = 947350131420. Its totient is φ = 252626701704.

The previous prime is 505253403409. The next prime is 505253403443. The reversal of 505253403416 is 614304352505.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 505253403416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31578337706 + ... + 31578337721.

Almost surely, 2^505253403416 is an apocalyptic number.

It is an amenable number.

505253403416 is a deficient number, since it is larger than the sum of its proper divisors (442096728004).

505253403416 is a wasteful number, since it uses less digits than its factorization.

505253403416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63156675433 (or 63156675429 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 505253403416 in words is "five hundred five billion, two hundred fifty-three million, four hundred three thousand, four hundred sixteen".