441555401 has 4 divisors (see below), whose sum is σ = 504634752. Its totient is φ = 378476052.

The previous prime is 441555397. The next prime is 441555409. The reversal of 441555401 is 104555144.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 441555401 - 2² = 441555397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441555409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31539665 + ... + 31539678.

It is an arithmetic number, because the mean of its divisors is an integer number (126158688).

Almost surely, 2^441555401 is an apocalyptic number.

It is an amenable number.

441555401 is a deficient number, since it is larger than the sum of its proper divisors (63079351).

441555401 is an equidigital number, since it uses as much as digits as its factorization.

441555401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63079350.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 441555401 is about 21013.2196723872. The cubic root of 441555401 is about 761.4856678695.

The spelling of 441555401 in words is "four hundred forty-one million, five hundred fifty-five thousand, four hundred one".