881288440844 has 12 divisors (see below), whose sum is σ = 1762576881744. Its totient is φ = 377695046064.

The previous prime is 881288440843. The next prime is 881288440867. The reversal of 881288440844 is 448044882188.

881288440844 is an admirable number.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (881288440843) 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 3 ways as a sum of consecutive naturals, for example, 15737293559 + ... + 15737293614.

It is an arithmetic number, because the mean of its divisors is an integer number (146881406812).

Almost surely, 2^881288440844 is an apocalyptic number.

It is an amenable number.

881288440844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

881288440844 is a wasteful number, since it uses less digits than its factorization.

881288440844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31474587184 (or 31474587182 counting only the distinct ones).

The product of its (nonzero) digits is 16777216, while the sum is 59.

The spelling of 881288440844 in words is "eight hundred eighty-one billion, two hundred eighty-eight million, four hundred forty thousand, eight hundred forty-four".