18042880149 has 96 divisors (see below), whose sum is σ = 33126912000. Its totient is φ = 9229272192.

The previous prime is 18042880117. The next prime is 18042880169. The reversal of 18042880149 is 94108824081.

18042880149 is a `hidden beast` number, since 1 + 8 + 0 + 428 + 80 + 149 = 666.

It is not a de Polignac number, because 18042880149 - 2⁵ = 18042880117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18042880169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1625982 + ... + 1637040.

It is an arithmetic number, because the mean of its divisors is an integer number (345072000).

Almost surely, 2^18042880149 is an apocalyptic number.

18042880149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

18042880149 is a deficient number, since it is larger than the sum of its proper divisors (15084031851).

18042880149 is a wasteful number, since it uses less digits than its factorization.

18042880149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11167 (or 11164 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The spelling of 18042880149 in words is "eighteen billion, forty-two million, eight hundred eighty thousand, one hundred forty-nine".