32011120240 has 80 divisors (see below), whose sum is σ = 82568108160. Its totient is φ = 11443093760.

The previous prime is 32011120237. The next prime is 32011120259. The reversal of 32011120240 is 4202111023.

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

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 256354 + ... + 360193.

It is an arithmetic number, because the mean of its divisors is an integer number (1032101352).

Almost surely, 2^32011120240 is an apocalyptic number.

It is an amenable number.

32011120240 is an abundant number, since it is smaller than the sum of its proper divisors (50556987920).

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

32011120240 is a wasteful number, since it uses less digits than its factorization.

32011120240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616630 (or 616624 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 32011120240 its reverse (4202111023), we get a palindrome (36213231263).

It can be divided in two parts, 32011 and 120240, that added together give a palindrome (152251).

The spelling of 32011120240 in words is "thirty-two billion, eleven million, one hundred twenty thousand, two hundred forty".