42057508732880 has 20 divisors (see below), whose sum is σ = 97783707804132. Its totient is φ = 16823003493120.

The previous prime is 42057508732849. The next prime is 42057508732891. The reversal of 42057508732880 is 8823780575024.

It can be written as a sum of positive squares in 2 ways, for example, as 10127007831616 + 31930500901264 = 3182296^2 + 5650708^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262859429501 + ... + 262859429660.

Almost surely, 2^{42057508732880} is an apocalyptic number.

42057508732880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42057508732880 is an abundant number, since it is smaller than the sum of its proper divisors (55726199071252).

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

42057508732880 is a wasteful number, since it uses less digits than its factorization.

42057508732880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525718859174 (or 525718859168 counting only the distinct ones).

The product of its (nonzero) digits is 30105600, while the sum is 59.

The spelling of 42057508732880 in words is "forty-two trillion, fifty-seven billion, five hundred eight million, seven hundred thirty-two thousand, eight hundred eighty".