32243240406 has 64 divisors (see below), whose sum is σ = 70208667648. Its totient is φ = 9812769408.

The previous prime is 32243240401. The next prime is 32243240429. The reversal of 32243240406 is 60404234223.

It is a super-2 number, since 2×32243240406² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32243240401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2724955 + ... + 2736761.

It is an arithmetic number, because the mean of its divisors is an integer number (1097010432).

Almost surely, 2^32243240406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32243240406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35104333824).

32243240406 is an abundant number, since it is smaller than the sum of its proper divisors (37965427242).

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

32243240406 is a wasteful number, since it uses less digits than its factorization.

32243240406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12205.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 32243240406 its reverse (60404234223), we get a palindrome (92647474629).

The spelling of 32243240406 in words is "thirty-two billion, two hundred forty-three million, two hundred forty thousand, four hundred six".