32042444 has 48 divisors (see below), whose sum is σ = 66572352. Its totient is φ = 13208832.

The previous prime is 32042441. The next prime is 32042447. The reversal of 32042444 is 44424023.

It is an interprime number because it is at equal distance from previous prime (32042441) and next prime (32042447).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32042441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162554 + ... + 162750.

It is an arithmetic number, because the mean of its divisors is an integer number (1386924).

Almost surely, 2^32042444 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 32042444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33286176).

32042444 is an abundant number, since it is smaller than the sum of its proper divisors (34529908).

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

32042444 is a wasteful number, since it uses less digits than its factorization.

32042444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 32042444 is about 5660.6045613521. The cubic root of 32042444 is about 317.6205143181.

Adding to 32042444 its reverse (44424023), we get a palindrome (76466467).

The spelling of 32042444 in words is "thirty-two million, forty-two thousand, four hundred forty-four".