441420101 has 8 divisors (see below), whose sum is σ = 456243960. Its totient is φ = 426748608.

The previous prime is 441420097. The next prime is 441420121. The reversal of 441420101 is 101024144.

It is a Cunningham number, because it is equal to 21010²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 25300900 + 416119201 = 5030^2 + 20399^2 .

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

It is not a de Polignac number, because 441420101 - 2² = 441420097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 441420101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441420121) 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, 32186 + ... + 43803.

It is an arithmetic number, because the mean of its divisors is an integer number (57030495).

Almost surely, 2^441420101 is an apocalyptic number.

It is an amenable number.

441420101 is a deficient number, since it is larger than the sum of its proper divisors (14823859).

441420101 is a wasteful number, since it uses less digits than its factorization.

441420101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76183.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 441420101 is about 21010.0000237982. Note that the first 4 decimals coincide. The cubic root of 441420101 is about 761.4078825862.

Adding to 441420101 its reverse (101024144), we get a palindrome (542444245).

The spelling of 441420101 in words is "four hundred forty-one million, four hundred twenty thousand, one hundred one".