440920793 has 2 divisors, whose sum is σ = 440920794. Its totient is φ = 440920792.

The previous prime is 440920751. The next prime is 440920801. The reversal of 440920793 is 397029044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328624384 + 112296409 = 18128^2 + 10597^2 .

It is a cyclic number.

It is not a de Polignac number, because 440920793 - 2⁸ = 440920537 is a prime.

It is a super-2 number, since 2×440920793² = 388822291399497698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (440920703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220460396 + 220460397.

It is an arithmetic number, because the mean of its divisors is an integer number (220460397).

Almost surely, 2^440920793 is an apocalyptic number.

It is an amenable number.

440920793 is a deficient number, since it is larger than the sum of its proper divisors (1).

440920793 is an equidigital number, since it uses as much as digits as its factorization.

440920793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 440920793 is about 20998.1140343603. The cubic root of 440920793 is about 761.1206879305.

The spelling of 440920793 in words is "four hundred forty million, nine hundred twenty thousand, seven hundred ninety-three".