42667121472 has 56 divisors (see below), whose sum is σ = 112916671296. Its totient is φ = 14219025408.

The previous prime is 42667121437. The next prime is 42667121473. The reversal of 42667121472 is 27412176624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42667121473) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 871468 + ... + 919124.

Almost surely, 2^42667121472 is an apocalyptic number.

It is an amenable number.

42667121472 is an abundant number, since it is smaller than the sum of its proper divisors (70249549824).

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

42667121472 is a wasteful number, since it uses less digits than its factorization.

42667121472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52335 (or 52325 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The spelling of 42667121472 in words is "forty-two billion, six hundred sixty-seven million, one hundred twenty-one thousand, four hundred seventy-two".