390630505052 has 6 divisors (see below), whose sum is σ = 683603383848. Its totient is φ = 195315252524.

The previous prime is 390630505049. The next prime is 390630505061. The reversal of 390630505052 is 250505036093.

It is a junction number, because it is equal to n+sod(n) for n = 390630504997 and 390630505015.

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, 48828813128 + ... + 48828813135.

It is an arithmetic number, because the mean of its divisors is an integer number (113933897308).

Almost surely, 2^390630505052 is an apocalyptic number.

It is an amenable number.

390630505052 is a deficient number, since it is larger than the sum of its proper divisors (292972878796).

390630505052 is a wasteful number, since it uses less digits than its factorization.

390630505052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97657626267 (or 97657626265 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 38.

The spelling of 390630505052 in words is "three hundred ninety billion, six hundred thirty million, five hundred five thousand, fifty-two".