440434413 has 6 divisors (see below), whose sum is σ = 636183054. Its totient is φ = 293622936.

The previous prime is 440434409. The next prime is 440434441. The reversal of 440434413 is 314434044.

It can be written as a sum of positive squares in only one way, i.e., 436099689 + 4334724 = 20883^2 + 2082^2 .

It is not a de Polignac number, because 440434413 - 2² = 440434409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440434403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24468570 + ... + 24468587.

It is an arithmetic number, because the mean of its divisors is an integer number (106030509).

Almost surely, 2^440434413 is an apocalyptic number.

It is an amenable number.

440434413 is a deficient number, since it is larger than the sum of its proper divisors (195748641).

440434413 is a wasteful number, since it uses less digits than its factorization.

440434413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48937163 (or 48937160 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 440434413 is about 20986.5293224011. The cubic root of 440434413 is about 760.8407207271.

Adding to 440434413 its reverse (314434044), we get a palindrome (754868457).

The spelling of 440434413 in words is "four hundred forty million, four hundred thirty-four thousand, four hundred thirteen".