866805010033404 has 48 divisors (see below), whose sum is σ = 2178446149555200. Its totient is φ = 266669959604160.

The previous prime is 866805010033381. The next prime is 866805010033447. The reversal of 866805010033404 is 404330010508668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408044004 + ... + 410162795.

It is an arithmetic number, because the mean of its divisors is an integer number (45384294782400).

Almost surely, 2^{866805010033404} is an apocalyptic number.

It is an amenable number.

866805010033404 is an abundant number, since it is smaller than the sum of its proper divisors (1311641139521796).

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

866805010033404 is a wasteful number, since it uses less digits than its factorization.

866805010033404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818213610 (or 818213608 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 866805010033404 in words is "eight hundred sixty-six trillion, eight hundred five billion, ten million, thirty-three thousand, four hundred four".