440094481 has 2 divisors, whose sum is σ = 440094482. Its totient is φ = 440094480.

The previous prime is 440094463. The next prime is 440094509. The reversal of 440094481 is 184490044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307476225 + 132618256 = 17535^2 + 11516^2 .

It is a cyclic number.

It is not a de Polignac number, because 440094481 - 2¹⁷ = 439963409 is a prime.

It is a super-2 number, since 2×440094481² = 387366304413318722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (440098481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220047240 + 220047241.

It is an arithmetic number, because the mean of its divisors is an integer number (220047241).

Almost surely, 2^440094481 is an apocalyptic number.

It is an amenable number.

440094481 is a deficient number, since it is larger than the sum of its proper divisors (1).

440094481 is an equidigital number, since it uses as much as digits as its factorization.

440094481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 440094481 is about 20978.4289449901. The cubic root of 440094481 is about 760.6449286730.

The spelling of 440094481 in words is "four hundred forty million, ninety-four thousand, four hundred eighty-one".