1405413404 has 24 divisors (see below), whose sum is σ = 2518099248. Its totient is φ = 686125440.

The previous prime is 1405413403. The next prime is 1405413433. The reversal of 1405413404 is 4043145041.

It is a happy number.

It is a super-2 number, since 2×1405413404² = 3950373672285734432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405413403) 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, 12407 + ... + 54449.

It is an arithmetic number, because the mean of its divisors is an integer number (104920802).

Almost surely, 2^1405413404 is an apocalyptic number.

It is an amenable number.

1405413404 is a deficient number, since it is larger than the sum of its proper divisors (1112685844).

1405413404 is a wasteful number, since it uses less digits than its factorization.

1405413404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42245 (or 42243 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1405413404 is about 37488.8437271677. The cubic root of 1405413404 is about 1120.1289721801.

Adding to 1405413404 its reverse (4043145041), we get a palindrome (5448558445).

The spelling of 1405413404 in words is "one billion, four hundred five million, four hundred thirteen thousand, four hundred four".