41440443421 has 8 divisors (see below), whose sum is σ = 44669241344. Its totient is φ = 38217512880.

The previous prime is 41440443389. The next prime is 41440443439. The reversal of 41440443421 is 12434404414.

41440443421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41440443421 - 2⁵ = 41440443389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41440443481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1452165 + ... + 1480426.

It is an arithmetic number, because the mean of its divisors is an integer number (5583655168).

Almost surely, 2^41440443421 is an apocalyptic number.

It is an amenable number.

41440443421 is a deficient number, since it is larger than the sum of its proper divisors (3228797923).

41440443421 is a wasteful number, since it uses less digits than its factorization.

41440443421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933691.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 41440443421 its reverse (12434404414), we get a palindrome (53874847835).

The spelling of 41440443421 in words is "forty-one billion, four hundred forty million, four hundred forty-three thousand, four hundred twenty-one".