18454035446 has 32 divisors (see below), whose sum is σ = 35624724480. Its totient is φ = 6957950400.

The previous prime is 18454035443. The next prime is 18454035473. The reversal of 18454035446 is 64453045481.

It is a junction number, because it is equal to n+sod(n) for n = 18454035397 and 18454035406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18454035443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1927991 + ... + 1937538.

It is an arithmetic number, because the mean of its divisors is an integer number (1113272640).

Almost surely, 2^18454035446 is an apocalyptic number.

18454035446 is a deficient number, since it is larger than the sum of its proper divisors (17170689034).

18454035446 is a wasteful number, since it uses less digits than its factorization.

18454035446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3865580.

The product of its (nonzero) digits is 921600, while the sum is 44.

The spelling of 18454035446 in words is "eighteen billion, four hundred fifty-four million, thirty-five thousand, four hundred forty-six".