864466444 has 6 divisors (see below), whose sum is σ = 1512816284. Its totient is φ = 432233220.

The previous prime is 864466429. The next prime is 864466457. The reversal of 864466444 is 444664468.

It is a junction number, because it is equal to n+sod(n) for n = 864466394 and 864466403.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108058302 + ... + 108058309.

Almost surely, 2^864466444 is an apocalyptic number.

It is an amenable number.

864466444 is a deficient number, since it is larger than the sum of its proper divisors (648349840).

864466444 is a wasteful number, since it uses less digits than its factorization.

864466444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216116615 (or 216116613 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 46.

The square root of 864466444 is about 29401.8102163795. The cubic root of 864466444 is about 952.6119970354.

The spelling of 864466444 in words is "eight hundred sixty-four million, four hundred sixty-six thousand, four hundred forty-four".