18445795730 has 16 divisors (see below), whose sum is σ = 33225030144. Its totient is φ = 7373296560.

The previous prime is 18445795721. The next prime is 18445795807. The reversal of 18445795730 is 3759754481.

It is a super-2 number, since 2×18445795730² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612272 + ... + 641691.

It is an arithmetic number, because the mean of its divisors is an integer number (2076564384).

Almost surely, 2^18445795730 is an apocalyptic number.

18445795730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18445795730 is a deficient number, since it is larger than the sum of its proper divisors (14779234414).

18445795730 is a wasteful number, since it uses less digits than its factorization.

18445795730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255441.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 18445795730 in words is "eighteen billion, four hundred forty-five million, seven hundred ninety-five thousand, seven hundred thirty".