889655040 has 216 divisors, whose sum is σ = 3185451360. Its totient is φ = 228974592.

The previous prime is 889655021. The next prime is 889655077. The reversal of 889655040 is 40556988.

889655040 is a `hidden beast` number, since 8 + 8 + 96 + 550 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 332749 + ... + 335411.

It is an arithmetic number, because the mean of its divisors is an integer number (14747460).

Almost surely, 2^889655040 is an apocalyptic number.

889655040 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 889655040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1592725680).

889655040 is an abundant number, since it is smaller than the sum of its proper divisors (2295796320).

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

889655040 is a wasteful number, since it uses less digits than its factorization.

889655040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719 (or 2702 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 889655040 is about 29827.0856772833. The cubic root of 889655040 is about 961.7758794868.

It can be divided in two parts, 8896 and 55040, that added together give a palindrome (63936).

The spelling of 889655040 in words is "eight hundred eighty-nine million, six hundred fifty-five thousand, forty".