32225402240 has 32 divisors (see below), whose sum is σ = 77038853760. Its totient is φ = 12890160640.

The previous prime is 32225402233. The next prime is 32225402267. The reversal of 32225402240 is 4220452223.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25175456 + ... + 25176735.

It is an arithmetic number, because the mean of its divisors is an integer number (2407464180).

Almost surely, 2^32225402240 is an apocalyptic number.

It is an amenable number.

32225402240 is an abundant number, since it is smaller than the sum of its proper divisors (44813451520).

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

32225402240 is an equidigital number, since it uses as much as digits as its factorization.

32225402240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50352210 (or 50352198 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 32225402240 its reverse (4220452223), we get a palindrome (36445854463).

The spelling of 32225402240 in words is "thirty-two billion, two hundred twenty-five million, four hundred two thousand, two hundred forty".