18412448804 has 12 divisors (see below), whose sum is σ = 32291382144. Its totient is φ = 9186339624.

The previous prime is 18412448801. The next prime is 18412448809. The reversal of 18412448804 is 40884421481.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18412448801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4969112 + ... + 4972815.

It is an arithmetic number, because the mean of its divisors is an integer number (2690948512).

Almost surely, 2^18412448804 is an apocalyptic number.

It is an amenable number.

18412448804 is a deficient number, since it is larger than the sum of its proper divisors (13878933340).

18412448804 is a wasteful number, since it uses less digits than its factorization.

18412448804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9942394 (or 9942392 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 44.

The spelling of 18412448804 in words is "eighteen billion, four hundred twelve million, four hundred forty-eight thousand, eight hundred four".