4409440225421 has 12 divisors (see below), whose sum is σ = 5595653273760. Its totient is φ = 3435927447960.

The previous prime is 4409440225369. The next prime is 4409440225483. The reversal of 4409440225421 is 1245220449044.

It is not a de Polignac number, because 4409440225421 - 2¹⁴ = 4409440209037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4409440225121) 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 11 ways as a sum of consecutive naturals, for example, 4090389281 + ... + 4090390358.

It is an arithmetic number, because the mean of its divisors is an integer number (466304439480).

Almost surely, 2^{4409440225421} is an apocalyptic number.

It is an amenable number.

4409440225421 is a deficient number, since it is larger than the sum of its proper divisors (1186213048339).

4409440225421 is a wasteful number, since it uses less digits than its factorization.

4409440225421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8180779664 (or 8180779657 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 41.

The spelling of 4409440225421 in words is "four trillion, four hundred nine billion, four hundred forty million, two hundred twenty-five thousand, four hundred twenty-one".