42171424980 has 48 divisors (see below), whose sum is σ = 118105753920. Its totient is φ = 11243259648.

The previous prime is 42171424973. The next prime is 42171425047. The reversal of 42171424980 is 8942417124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209427 + ... + 358053.

It is an arithmetic number, because the mean of its divisors is an integer number (2460536540).

Almost surely, 2^42171424980 is an apocalyptic number.

It is an amenable number.

42171424980 is an abundant number, since it is smaller than the sum of its proper divisors (75934328940).

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

42171424980 is a wasteful number, since it uses less digits than its factorization.

42171424980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153368 (or 153366 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 42171424980 in words is "forty-two billion, one hundred seventy-one million, four hundred twenty-four thousand, nine hundred eighty".