440052101 has 2 divisors, whose sum is σ = 440052102. Its totient is φ = 440052100.

The previous prime is 440052097. The next prime is 440052121. The reversal of 440052101 is 101250044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244891201 + 195160900 = 15649^2 + 13970^2 .

It is a cyclic number.

It is not a de Polignac number, because 440052101 - 2² = 440052097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440052101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440052121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220026050 + 220026051.

It is an arithmetic number, because the mean of its divisors is an integer number (220026051).

Almost surely, 2^440052101 is an apocalyptic number.

It is an amenable number.

440052101 is a deficient number, since it is larger than the sum of its proper divisors (1).

440052101 is an equidigital number, since it uses as much as digits as its factorization.

440052101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 440052101 is about 20977.4188355002. The cubic root of 440052101 is about 760.6205118199.

The spelling of 440052101 in words is "four hundred forty million, fifty-two thousand, one hundred one".