440964413 has 2 divisors, whose sum is σ = 440964414. Its totient is φ = 440964412.

The previous prime is 440964397. The next prime is 440964421. The reversal of 440964413 is 314469044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 371024644 + 69939769 = 19262^2 + 8363^2 .

It is a cyclic number.

It is not a de Polignac number, because 440964413 - 2⁴ = 440964397 is a prime.

It is a super-2 number, since 2×440964413² = 388899227064869138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440964463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220482206 + 220482207.

It is an arithmetic number, because the mean of its divisors is an integer number (220482207).

Almost surely, 2^440964413 is an apocalyptic number.

It is an amenable number.

440964413 is a deficient number, since it is larger than the sum of its proper divisors (1).

440964413 is an equidigital number, since it uses as much as digits as its factorization.

440964413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 440964413 is about 20999.1526733818. The cubic root of 440964413 is about 761.1457861569.

The spelling of 440964413 in words is "four hundred forty million, nine hundred sixty-four thousand, four hundred thirteen".