18445690975750 has 32 divisors (see below), whose sum is σ = 34531402149504. Its totient is φ = 7378048048000.

The previous prime is 18445690975669. The next prime is 18445690975753. The reversal of 18445690975750 is 5757909654481.

It is a self number, because there is not a number n which added to its sum of digits gives 18445690975750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18445690975753) 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, 7070430 + ... + 9321070.

It is an arithmetic number, because the mean of its divisors is an integer number (1079106317172).

Almost surely, 2^{18445690975750} is an apocalyptic number.

18445690975750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18445690975750 is a deficient number, since it is larger than the sum of its proper divisors (16085711173754).

18445690975750 is a wasteful number, since it uses less digits than its factorization.

18445690975750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283441 (or 2283431 counting only the distinct ones).

The product of its (nonzero) digits is 381024000, while the sum is 70.

The spelling of 18445690975750 in words is "eighteen trillion, four hundred forty-five billion, six hundred ninety million, nine hundred seventy-five thousand, seven hundred fifty".