42126882071640 has 128 divisors (see below), whose sum is σ = 133526804832000. Its totient is φ = 10603017082368.

The previous prime is 42126882071629. The next prime is 42126882071669. The reversal of 42126882071640 is 4617028862124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33729994 + ... + 34956633.

It is an arithmetic number, because the mean of its divisors is an integer number (1043178162750).

Almost surely, 2^{42126882071640} is an apocalyptic number.

42126882071640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42126882071640 is an abundant number, since it is smaller than the sum of its proper divisors (91399922760360).

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

42126882071640 is a wasteful number, since it uses less digits than its factorization.

42126882071640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68686929 (or 68686925 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 42126882071640 in words is "forty-two trillion, one hundred twenty-six billion, eight hundred eighty-two million, seventy-one thousand, six hundred forty".