441401609 has 8 divisors (see below), whose sum is σ = 483233952. Its totient is φ = 399853440.

The previous prime is 441401593. The next prime is 441401627. The reversal of 441401609 is 906104144.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 441401609 - 2⁴ = 441401593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (441401669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67784 + ... + 74009.

It is an arithmetic number, because the mean of its divisors is an integer number (60404244).

Almost surely, 2^441401609 is an apocalyptic number.

It is an amenable number.

441401609 is a deficient number, since it is larger than the sum of its proper divisors (41832343).

441401609 is a wasteful number, since it uses less digits than its factorization.

441401609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142087.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 441401609 is about 21009.5599430355. The cubic root of 441401609 is about 761.3972501213.

The spelling of 441401609 in words is "four hundred forty-one million, four hundred one thousand, six hundred nine".