2881855128432 has 240 divisors, whose sum is σ = 8692334003232. Its totient is φ = 820344913920.

The previous prime is 2881855128337. The next prime is 2881855128457. The reversal of 2881855128432 is 2348215581882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 804760882 + ... + 804764462.

Almost surely, 2^{2881855128432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2881855128432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4346167001616).

2881855128432 is an abundant number, since it is smaller than the sum of its proper divisors (5810478874800).

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

2881855128432 is a wasteful number, since it uses less digits than its factorization.

2881855128432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4776 (or 4763 counting only the distinct ones).

The product of its digits is 9830400, while the sum is 57.

The spelling of 2881855128432 in words is "two trillion, eight hundred eighty-one billion, eight hundred fifty-five million, one hundred twenty-eight thousand, four hundred thirty-two".