440452413 has 24 divisors (see below), whose sum is σ = 647337600. Its totient is φ = 288535104.

The previous prime is 440452409. The next prime is 440452421. The reversal of 440452413 is 314254044.

It is a happy number.

It is not a de Polignac number, because 440452413 - 2² = 440452409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440452423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160033 + ... + 162761.

It is an arithmetic number, because the mean of its divisors is an integer number (26972400).

Almost surely, 2^440452413 is an apocalyptic number.

It is an amenable number.

440452413 is a deficient number, since it is larger than the sum of its proper divisors (206885187).

440452413 is a wasteful number, since it uses less digits than its factorization.

440452413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041 (or 3038 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 440452413 is about 20986.9581645364. The cubic root of 440452413 is about 760.8510854534.

The spelling of 440452413 in words is "four hundred forty million, four hundred fifty-two thousand, four hundred thirteen".