32400242 has 32 divisors (see below), whose sum is σ = 57480192. Its totient is φ = 13409424.

The previous prime is 32400241. The next prime is 32400259. The reversal of 32400242 is 24200423.

It is a self number, because there is not a number n which added to its sum of digits gives 32400242.

It is not an unprimeable number, because it can be changed into a prime (32400241) 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, 64163 + ... + 64665.

It is an arithmetic number, because the mean of its divisors is an integer number (1796256).

Almost surely, 2^32400242 is an apocalyptic number.

32400242 is a deficient number, since it is larger than the sum of its proper divisors (25079950).

32400242 is a wasteful number, since it uses less digits than its factorization.

32400242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 32400242 is about 5692.1210457965. The cubic root of 32400242 is about 318.7983644669.

Adding to 32400242 its reverse (24200423), we get a palindrome (56600665).

The spelling of 32400242 in words is "thirty-two million, four hundred thousand, two hundred forty-two".