43041044421 has 24 divisors (see below), whose sum is σ = 62687649024. Its totient is φ = 28455598080.

The previous prime is 43041044341. The next prime is 43041044429. The reversal of 43041044421 is 12444014034.

It is not a de Polignac number, because 43041044421 - 2²² = 43036850117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43041044429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1835845 + ... + 1859141.

It is an arithmetic number, because the mean of its divisors is an integer number (2611985376).

Almost surely, 2^43041044421 is an apocalyptic number.

It is an amenable number.

43041044421 is a deficient number, since it is larger than the sum of its proper divisors (19646604603).

43041044421 is a wasteful number, since it uses less digits than its factorization.

43041044421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25001 (or 24998 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 43041044421 its reverse (12444014034), we get a palindrome (55485058455).

The spelling of 43041044421 in words is "forty-three billion, forty-one million, forty-four thousand, four hundred twenty-one".