32440542 has 8 divisors (see below), whose sum is σ = 64881096. Its totient is φ = 10813512.

The previous prime is 32440523. The next prime is 32440547. The reversal of 32440542 is 24504423.

It is a sphenic number, since it is the product of 3 distinct primes.

32440542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32440547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2703373 + ... + 2703384.

It is an arithmetic number, because the mean of its divisors is an integer number (8110137).

Almost surely, 2^32440542 is an apocalyptic number.

32440542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

32440542 is a wasteful number, since it uses less digits than its factorization.

32440542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5406762.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 32440542 is about 5695.6599266459. The cubic root of 32440542 is about 318.9304854048.

Adding to 32440542 its reverse (24504423), we get a palindrome (56944965).

The spelling of 32440542 in words is "thirty-two million, four hundred forty thousand, five hundred forty-two".