18182270038474 has 8 divisors (see below), whose sum is σ = 27273591814788. Its totient is φ = 9091072766880.

The previous prime is 18182270038469. The next prime is 18182270038507. The reversal of 18182270038474 is 47483007228181.

It can be written as a sum of positive squares in 2 ways, for example, as 10162980571249 + 8019289467225 = 3187943^2 + 2831835^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30760227 + ... + 31345750.

Almost surely, 2^{18182270038474} is an apocalyptic number.

18182270038474 is a deficient number, since it is larger than the sum of its proper divisors (9091321776314).

18182270038474 is a wasteful number, since it uses less digits than its factorization.

18182270038474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62252360.

The product of its (nonzero) digits is 4816896, while the sum is 55.

The spelling of 18182270038474 in words is "eighteen trillion, one hundred eighty-two billion, two hundred seventy million, thirty-eight thousand, four hundred seventy-four".