17881374342 has 32 divisors (see below), whose sum is σ = 38582968032. Its totient is φ = 5492070144.

The previous prime is 17881374341. The next prime is 17881374347. The reversal of 17881374342 is 24347318871.

It is a junction number, because it is equal to n+sod(n) for n = 17881374291 and 17881374300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17881374341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162343 + ... + 249234.

It is an arithmetic number, because the mean of its divisors is an integer number (1205717751).

Almost surely, 2^17881374342 is an apocalyptic number.

17881374342 is an abundant number, since it is smaller than the sum of its proper divisors (20701593690).

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

17881374342 is a wasteful number, since it uses less digits than its factorization.

17881374342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412152.

The product of its digits is 903168, while the sum is 48.

The spelling of 17881374342 in words is "seventeen billion, eight hundred eighty-one million, three hundred seventy-four thousand, three hundred forty-two".