444080421 has 16 divisors (see below), whose sum is σ = 659289600. Its totient is φ = 295426944.

The previous prime is 444080411. The next prime is 444080467. The reversal of 444080421 is 124080444.

It is a happy number.

It is not a de Polignac number, because 444080421 - 2¹⁰ = 444079397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444080411) 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, 4236 + ... + 30101.

It is an arithmetic number, because the mean of its divisors is an integer number (41205600).

Almost surely, 2^444080421 is an apocalyptic number.

It is an amenable number.

444080421 is a deficient number, since it is larger than the sum of its proper divisors (215209179).

444080421 is a wasteful number, since it uses less digits than its factorization.

444080421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34825 (or 34819 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 444080421 is about 21073.2157251806. The cubic root of 444080421 is about 762.9344200487.

The spelling of 444080421 in words is "four hundred forty-four million, eighty thousand, four hundred twenty-one".