10440420441 has 16 divisors (see below), whose sum is σ = 15556459968. Its totient is φ = 6173196800.

The previous prime is 10440420439. The next prime is 10440420451. The reversal of 10440420441 is 14402404401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10440420441 - 2¹ = 10440420439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10440420421) 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, 3856896 + ... + 3859601.

It is an arithmetic number, because the mean of its divisors is an integer number (972278748).

Almost surely, 2^10440420441 is an apocalyptic number.

10440420441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10440420441 is a deficient number, since it is larger than the sum of its proper divisors (5116039527).

10440420441 is a wasteful number, since it uses less digits than its factorization.

10440420441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7716552.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 10440420441 its reverse (14402404401), we get a palindrome (24842824842).

The spelling of 10440420441 in words is "ten billion, four hundred forty million, four hundred twenty thousand, four hundred forty-one".