18252672050 has 24 divisors (see below), whose sum is σ = 35736812400. Its totient is φ = 6916801680.

The previous prime is 18252672049. The next prime is 18252672079. The reversal of 18252672050 is 5027625281.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 18252671995 and 18252672013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9605720 + ... + 9607619.

It is an arithmetic number, because the mean of its divisors is an integer number (1489033850).

Almost surely, 2^18252672050 is an apocalyptic number.

18252672050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18252672050 is a deficient number, since it is larger than the sum of its proper divisors (17484140350).

18252672050 is a wasteful number, since it uses less digits than its factorization.

18252672050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19213370 (or 19213365 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 18252672050 in words is "eighteen billion, two hundred fifty-two million, six hundred seventy-two thousand, fifty".