415421404 has 12 divisors (see below), whose sum is σ = 752056200. Its totient is φ = 200548208.

The previous prime is 415421399. The next prime is 415421411. The reversal of 415421404 is 404124514.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1790494 + ... + 1790725.

It is an arithmetic number, because the mean of its divisors is an integer number (62671350).

Almost surely, 2^415421404 is an apocalyptic number.

It is an amenable number.

415421404 is a deficient number, since it is larger than the sum of its proper divisors (336634796).

415421404 is a wasteful number, since it uses less digits than its factorization.

415421404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581252 (or 3581250 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 415421404 is about 20381.8891175475. The cubic root of 415421404 is about 746.1559784728.

Adding to 415421404 its reverse (404124514), we get a palindrome (819545918).

The spelling of 415421404 in words is "four hundred fifteen million, four hundred twenty-one thousand, four hundred four".