440006741 has 2 divisors, whose sum is σ = 440006742. Its totient is φ = 440006740.

The previous prime is 440006737. The next prime is 440006759. The reversal of 440006741 is 147600044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 264550225 + 175456516 = 16265^2 + 13246^2 .

It is a cyclic number.

It is not a de Polignac number, because 440006741 - 2² = 440006737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 440006741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440006761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220003370 + 220003371.

It is an arithmetic number, because the mean of its divisors is an integer number (220003371).

Almost surely, 2^440006741 is an apocalyptic number.

It is an amenable number.

440006741 is a deficient number, since it is larger than the sum of its proper divisors (1).

440006741 is an equidigital number, since it uses as much as digits as its factorization.

440006741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 440006741 is about 20976.3376450705. The cubic root of 440006741 is about 760.5943763298.

Adding to 440006741 its reverse (147600044), we get a palindrome (587606785).

The spelling of 440006741 in words is "four hundred forty million, six thousand, seven hundred forty-one".