881886340940544 has 720 divisors, whose sum is σ = 2728836344757600. Its totient is φ = 282936725471232.

The previous prime is 881886340940489. The next prime is 881886340940699. The reversal of 881886340940544 is 445049043688188.

881886340940544 is a `hidden beast` number, since 8 + 8 + 1 + 8 + 8 + 6 + 34 + 0 + 9 + 40 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 312836586367 + ... + 312836589185.

It is an arithmetic number, because the mean of its divisors is an integer number (3790050478830).

Almost surely, 2^{881886340940544} 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 881886340940544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1364418172378800).

881886340940544 is an abundant number, since it is smaller than the sum of its proper divisors (1846950003817056).

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

881886340940544 is a wasteful number, since it uses less digits than its factorization.

881886340940544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4322 (or 4299 counting only the distinct ones).

The product of its (nonzero) digits is 849346560, while the sum is 72.

The spelling of 881886340940544 in words is "eight hundred eighty-one trillion, eight hundred eighty-six billion, three hundred forty million, nine hundred forty thousand, five hundred forty-four".