32030400044440 has 96 divisors (see below), whose sum is σ = 83865607308000. Its totient is φ = 10977798773760.

The previous prime is 32030400044431. The next prime is 32030400044443. The reversal of 32030400044440 is 4444000403023.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 32030400044399 and 32030400044408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32030400044443) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2299536 + ... + 8327584.

It is an arithmetic number, because the mean of its divisors is an integer number (873600076125).

Almost surely, 2^{32030400044440} 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 32030400044440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41932803654000).

32030400044440 is an abundant number, since it is smaller than the sum of its proper divisors (51835207263560).

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

32030400044440 is a wasteful number, since it uses less digits than its factorization.

32030400044440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030785 (or 6030774 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 32030400044440 its reverse (4444000403023), we get a palindrome (36474400447463).

The spelling of 32030400044440 in words is "thirty-two trillion, thirty billion, four hundred million, forty-four thousand, four hundred forty".