10040044421 has 16 divisors (see below), whose sum is σ = 10994019840. Its totient is φ = 9093018480.

The previous prime is 10040044409. The next prime is 10040044423. The reversal of 10040044421 is 12444004001.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10040044421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10040044393 and 10040044402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10040044423) 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 15 ways as a sum of consecutive naturals, for example, 3891710 + ... + 3894288.

It is an arithmetic number, because the mean of its divisors is an integer number (687126240).

Almost surely, 2^10040044421 is an apocalyptic number.

10040044421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10040044421 is a deficient number, since it is larger than the sum of its proper divisors (953975419).

10040044421 is a wasteful number, since it uses less digits than its factorization.

10040044421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 10040044421 its reverse (12444004001), we get a palindrome (22484048422).

The spelling of 10040044421 in words is "ten billion, forty million, forty-four thousand, four hundred twenty-one".