32001101440 has 256 divisors, whose sum is σ = 95643555840. Its totient is φ = 9946828800.

The previous prime is 32001101411. The next prime is 32001101459. The reversal of 32001101440 is 4410110023.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24787195 + ... + 24788485.

It is an arithmetic number, because the mean of its divisors is an integer number (373607640).

Almost surely, 2^32001101440 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 32001101440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47821777920).

32001101440 is an abundant number, since it is smaller than the sum of its proper divisors (63642454400).

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

32001101440 is a wasteful number, since it uses less digits than its factorization.

32001101440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831 (or 1819 counting only the distinct ones).

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

Adding to 32001101440 its reverse (4410110023), we get a palindrome (36411211463).

The spelling of 32001101440 in words is "thirty-two billion, one million, one hundred one thousand, four hundred forty".