41780138128 has 30 divisors (see below), whose sum is σ = 85990834466. Its totient is φ = 19661239296.

The previous prime is 41780138011. The next prime is 41780138149. The reversal of 41780138128 is 82183108714.

It can be written as a sum of positive squares in 3 ways, for example, as 18831523984 + 22948614144 = 137228^2 + 151488^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4513125 + ... + 4522372.

Almost surely, 2^41780138128 is an apocalyptic number.

It is an amenable number.

41780138128 is an abundant number, since it is smaller than the sum of its proper divisors (44210696338).

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

41780138128 is a wasteful number, since it uses less digits than its factorization.

41780138128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9035539 (or 9035516 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 43.

The spelling of 41780138128 in words is "forty-one billion, seven hundred eighty million, one hundred thirty-eight thousand, one hundred twenty-eight".