32002012044 has 144 divisors (see below), whose sum is σ = 87223578624. Its totient is φ = 9869059200.

The previous prime is 32002012033. The next prime is 32002012051. The reversal of 32002012044 is 44021020023.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3110629 + ... + 3120899.

It is an arithmetic number, because the mean of its divisors is an integer number (605719296).

Almost surely, 2^32002012044 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 32002012044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43611789312).

32002012044 is an abundant number, since it is smaller than the sum of its proper divisors (55221566580).

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

32002012044 is a wasteful number, since it uses less digits than its factorization.

32002012044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10428 (or 10423 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 32002012044 its reverse (44021020023), we get a palindrome (76023032067).

The spelling of 32002012044 in words is "thirty-two billion, two million, twelve thousand, forty-four".