881956140 has 96 divisors (see below), whose sum is σ = 2664881856. Its totient is φ = 216652800.

The previous prime is 881956133. The next prime is 881956147. The reversal of 881956140 is 41659188.

It is an interprime number because it is at equal distance from previous prime (881956133) and next prime (881956147).

It is a junction number, because it is equal to n+sod(n) for n = 881956092 and 881956101.

It is not an unprimeable number, because it can be changed into a prime (881956147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 545974 + ... + 547586.

It is an arithmetic number, because the mean of its divisors is an integer number (27759186).

Almost surely, 2^881956140 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 881956140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1332440928).

881956140 is an abundant number, since it is smaller than the sum of its proper divisors (1782925716).

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

881956140 is a wasteful number, since it uses less digits than its factorization.

881956140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339 (or 2337 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 881956140 is about 29697.7463791447. The cubic root of 881956140 is about 958.9934980638.

The spelling of 881956140 in words is "eight hundred eighty-one million, nine hundred fifty-six thousand, one hundred forty".