32243012240 has 80 divisors (see below), whose sum is σ = 75505970880. Its totient is φ = 12804380160.

The previous prime is 32243012167. The next prime is 32243012251. The reversal of 32243012240 is 4221034223.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×32243012240² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11268410 + ... + 11271270.

It is an arithmetic number, because the mean of its divisors is an integer number (943824636).

Almost surely, 2^32243012240 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 32243012240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37752985440).

32243012240 is an abundant number, since it is smaller than the sum of its proper divisors (43262958640).

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

32243012240 is a wasteful number, since it uses less digits than its factorization.

32243012240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840 (or 3834 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 32243012240 its reverse (4221034223), we get a palindrome (36464046463).

The spelling of 32243012240 in words is "thirty-two billion, two hundred forty-three million, twelve thousand, two hundred forty".