40441464512 has 56 divisors (see below), whose sum is σ = 83793177600. Its totient is φ = 19329336576.

The previous prime is 40441464473. The next prime is 40441464517. The reversal of 40441464512 is 21546414404.

It is not an unprimeable number, because it can be changed into a prime (40441464517) 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 7 ways as a sum of consecutive naturals, for example, 2581439 + ... + 2597057.

Almost surely, 2^40441464512 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 40441464512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41896588800).

40441464512 is an abundant number, since it is smaller than the sum of its proper divisors (43351713088).

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

40441464512 is a wasteful number, since it uses less digits than its factorization.

40441464512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17413 (or 17403 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

Adding to 40441464512 its reverse (21546414404), we get a palindrome (61987878916).

The spelling of 40441464512 in words is "forty billion, four hundred forty-one million, four hundred sixty-four thousand, five hundred twelve".