16027138940 has 24 divisors (see below), whose sum is σ = 33662980512. Its totient is φ = 6409714880.

The previous prime is 16027138903. The next prime is 16027138961. The reversal of 16027138940 is 4983172061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48857 + ... + 185583.

It is an arithmetic number, because the mean of its divisors is an integer number (1402624188).

Almost surely, 2^16027138940 is an apocalyptic number.

16027138940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16027138940 is an abundant number, since it is smaller than the sum of its proper divisors (17635841572).

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

16027138940 is a wasteful number, since it uses less digits than its factorization.

16027138940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142597 (or 142595 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 16027138940 in words is "sixteen billion, twenty-seven million, one hundred thirty-eight thousand, nine hundred forty".