18230277446 has 16 divisors (see below), whose sum is σ = 28396569600. Its totient is φ = 8768276040.

The previous prime is 18230277419. The next prime is 18230277449. The reversal of 18230277446 is 64477203281.

It is a junction number, because it is equal to n+sod(n) for n = 18230277397 and 18230277406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18230277449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869996 + ... + 890703.

It is an arithmetic number, because the mean of its divisors is an integer number (1774785600).

Almost surely, 2^18230277446 is an apocalyptic number.

18230277446 is a deficient number, since it is larger than the sum of its proper divisors (10166292154).

18230277446 is a wasteful number, since it uses less digits than its factorization.

18230277446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760899.

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 18230277446 in words is "eighteen billion, two hundred thirty million, two hundred seventy-seven thousand, four hundred forty-six".