18126072452 has 48 divisors (see below), whose sum is σ = 34507565568. Its totient is φ = 8298193920.

The previous prime is 18126072431. The next prime is 18126072491. The reversal of 18126072452 is 25427062181.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516752 + ... + 550712.

It is an arithmetic number, because the mean of its divisors is an integer number (718907616).

Almost surely, 2^18126072452 is an apocalyptic number.

It is an amenable number.

18126072452 is a deficient number, since it is larger than the sum of its proper divisors (16381493116).

18126072452 is a wasteful number, since it uses less digits than its factorization.

18126072452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34196 (or 34194 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 18126072452 in words is "eighteen billion, one hundred twenty-six million, seventy-two thousand, four hundred fifty-two".