404501345 has 16 divisors (see below), whose sum is σ = 515099520. Its totient is φ = 304280064.

The previous prime is 404501333. The next prime is 404501347. The reversal of 404501345 is 543105404.

It is not a de Polignac number, because 404501345 - 2⁴ = 404501329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404501347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23024 + ... + 36593.

It is an arithmetic number, because the mean of its divisors is an integer number (32193720).

Almost surely, 2^404501345 is an apocalyptic number.

It is an amenable number.

404501345 is a deficient number, since it is larger than the sum of its proper divisors (110598175).

404501345 is a wasteful number, since it uses less digits than its factorization.

404501345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59704.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 404501345 is about 20112.2187985314. The cubic root of 404501345 is about 739.5598459900.

Adding to 404501345 its reverse (543105404), we get a palindrome (947606749).

The spelling of 404501345 in words is "four hundred four million, five hundred one thousand, three hundred forty-five".