18842124455 has 32 divisors (see below), whose sum is σ = 28789585920. Its totient is φ = 11495819520.

The previous prime is 18842124409. The next prime is 18842124473. The reversal of 18842124455 is 55442124881.

It is a happy number.

It is not a de Polignac number, because 18842124455 - 2²⁶ = 18775015591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 502550 + ... + 538739.

It is an arithmetic number, because the mean of its divisors is an integer number (899674560).

Almost surely, 2^18842124455 is an apocalyptic number.

18842124455 is a deficient number, since it is larger than the sum of its proper divisors (9947461465).

18842124455 is a wasteful number, since it uses less digits than its factorization.

18842124455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041359.

The product of its digits is 409600, while the sum is 44.

The spelling of 18842124455 in words is "eighteen billion, eight hundred forty-two million, one hundred twenty-four thousand, four hundred fifty-five".