32440992 has 48 divisors (see below), whose sum is σ = 85673952. Its totient is φ = 10748160.

The previous prime is 32440987. The next prime is 32441011. The reversal of 32440992 is 29904423.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 16443 + ... + 18309.

It is an arithmetic number, because the mean of its divisors is an integer number (1784874).

Almost surely, 2^32440992 is an apocalyptic number.

32440992 is a gapful number since it is divisible by the number (32) 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 32440992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42836976).

32440992 is an abundant number, since it is smaller than the sum of its proper divisors (53232960).

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

32440992 is a wasteful number, since it uses less digits than its factorization.

32440992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 32440992 is about 5695.6994302719. The cubic root of 32440992 is about 318.9319600828.

The spelling of 32440992 in words is "thirty-two million, four hundred forty thousand, nine hundred ninety-two".