881496993440 has 720 divisors, whose sum is σ = 2669683316328. Its totient is φ = 274028396544.

The previous prime is 881496993439. The next prime is 881496993539. The reversal of 881496993440 is 44399694188.

It can be written as a sum of positive squares in 4 ways, for example, as 813236025616 + 68260967824 = 901796^2 + 261268^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 12075301244 + ... + 12075301316.

Almost surely, 2^881496993440 is an apocalyptic number.

881496993440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 881496993440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334841658164).

881496993440 is an abundant number, since it is smaller than the sum of its proper divisors (1788186322888).

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

881496993440 is an equidigital number, since it uses as much as digits as its factorization.

881496993440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 65.

The spelling of 881496993440 in words is "eight hundred eighty-one billion, four hundred ninety-six million, nine hundred ninety-three thousand, four hundred forty".