40089882 has 64 divisors (see below), whose sum is σ = 97026048. Its totient is φ = 10800000.

The previous prime is 40089869. The next prime is 40089883. The reversal of 40089882 is 28898004.

It is a happy number.

40089882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40089882.

It is not an unprimeable number, because it can be changed into a prime (40089883) 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, 53007 + ... + 53757.

It is an arithmetic number, because the mean of its divisors is an integer number (1516032).

Almost surely, 2^40089882 is an apocalyptic number.

40089882 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40089882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48513024).

40089882 is an abundant number, since it is smaller than the sum of its proper divisors (56936166).

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

40089882 is a wasteful number, since it uses less digits than its factorization.

40089882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 40089882 is about 6331.6571290619. The cubic root of 40089882 is about 342.2511578031.

The spelling of 40089882 in words is "forty million, eighty-nine thousand, eight hundred eighty-two".