18454386350 has 48 divisors (see below), whose sum is σ = 35768358000. Its totient is φ = 7075111680.

The previous prime is 18454386337. The next prime is 18454386403. The reversal of 18454386350 is 5368345481.

It is a junction number, because it is equal to n+sod(n) for n = 18454386295 and 18454386304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152201 + ... + 245099.

It is an arithmetic number, because the mean of its divisors is an integer number (745174125).

Almost surely, 2^18454386350 is an apocalyptic number.

18454386350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18454386350 is a deficient number, since it is larger than the sum of its proper divisors (17313971650).

18454386350 is a wasteful number, since it uses less digits than its factorization.

18454386350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93077 (or 93072 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 18454386350 in words is "eighteen billion, four hundred fifty-four million, three hundred eighty-six thousand, three hundred fifty".