404412340 has 24 divisors (see below), whose sum is σ = 893964960. Its totient is φ = 153250848.

The previous prime is 404412319. The next prime is 404412343. The reversal of 404412340 is 43214404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404412343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531742 + ... + 532501.

It is an arithmetic number, because the mean of its divisors is an integer number (37248540).

Almost surely, 2^404412340 is an apocalyptic number.

It is an amenable number.

404412340 is an abundant number, since it is smaller than the sum of its proper divisors (489552620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404412340 is a wasteful number, since it uses less digits than its factorization.

404412340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064271 (or 1064269 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 404412340 is about 20110.0059671796. The cubic root of 404412340 is about 739.5055986610.

Adding to 404412340 its reverse (43214404), we get a palindrome (447626744).

It can be divided in two parts, 4044 and 12340, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 404412340 in words is "four hundred four million, four hundred twelve thousand, three hundred forty".