41001043440 has 80 divisors (see below), whose sum is σ = 145260845568. Its totient is φ = 9371666688.

The previous prime is 41001043397. The next prime is 41001043441. The reversal of 41001043440 is 4434010014.

41001043440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41001043441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12201012 + ... + 12204371.

Almost surely, 2^41001043440 is an apocalyptic number.

41001043440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41001043440 is an abundant number, since it is smaller than the sum of its proper divisors (104259802128).

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

41001043440 is a wasteful number, since it uses less digits than its factorization.

41001043440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24405406 (or 24405400 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 41001043440 its reverse (4434010014), we get a palindrome (45435053454).

The spelling of 41001043440 in words is "forty-one billion, one million, forty-three thousand, four hundred forty".