404013480 has 64 divisors (see below), whose sum is σ = 1305279360. Its totient is φ = 99449088.

The previous prime is 404013409. The next prime is 404013481. The reversal of 404013480 is 84310404.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 404013480.

It is not an unprimeable number, because it can be changed into a prime (404013481) 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, 127932 + ... + 131051.

It is an arithmetic number, because the mean of its divisors is an integer number (20394990).

Almost surely, 2^404013480 is an apocalyptic number.

404013480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404013480 is an abundant number, since it is smaller than the sum of its proper divisors (901265880).

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

404013480 is a wasteful number, since it uses less digits than its factorization.

404013480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259010 (or 259006 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 404013480 is about 20100.0865669778. The cubic root of 404013480 is about 739.2624011479.

Adding to 404013480 its reverse (84310404), we get a palindrome (488323884).

The spelling of 404013480 in words is "four hundred four million, thirteen thousand, four hundred eighty".