18042050140 has 48 divisors (see below), whose sum is σ = 39859192800. Its totient is φ = 6849850112.

The previous prime is 18042050101. The next prime is 18042050171. The reversal of 18042050140 is 4105024081.

It is a congruent number.

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, 229399 + ... + 297838.

It is an arithmetic number, because the mean of its divisors is an integer number (830399850).

Almost surely, 2^18042050140 is an apocalyptic number.

18042050140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18042050140 is an abundant number, since it is smaller than the sum of its proper divisors (21817142660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18042050140 is a wasteful number, since it uses less digits than its factorization.

18042050140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527334 (or 527332 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The spelling of 18042050140 in words is "eighteen billion, forty-two million, fifty thousand, one hundred forty".