32430440042 has 64 divisors (see below), whose sum is σ = 65366784000. Its totient is φ = 11653951680.

The previous prime is 32430440027. The next prime is 32430440047. The reversal of 32430440042 is 24004403423.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 32430439993 and 32430440020.

It is not an unprimeable number, because it can be changed into a prime (32430440047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2795009 + ... + 2806587.

It is an arithmetic number, because the mean of its divisors is an integer number (1021356000).

Almost surely, 2^32430440042 is an apocalyptic number.

32430440042 is an abundant number, since it is smaller than the sum of its proper divisors (32936343958).

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

32430440042 is a wasteful number, since it uses less digits than its factorization.

32430440042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13011.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 32430440042 its reverse (24004403423), we get a palindrome (56434843465).

The spelling of 32430440042 in words is "thirty-two billion, four hundred thirty million, four hundred forty thousand, forty-two".