1404424413 has 40 divisors (see below), whose sum is σ = 2501947008. Its totient is φ = 767628576.

The previous prime is 1404424397. The next prime is 1404424423. The reversal of 1404424413 is 3144244041.

1404424413 is a `hidden beast` number, since 1 + 404 + 4 + 244 + 13 = 666.

It is not a de Polignac number, because 1404424413 - 2⁴ = 1404424397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404424423) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 40806 + ... + 66887.

Almost surely, 2^1404424413 is an apocalyptic number.

It is an amenable number.

1404424413 is a deficient number, since it is larger than the sum of its proper divisors (1097522595).

1404424413 is a wasteful number, since it uses less digits than its factorization.

1404424413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107735 (or 107726 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 1404424413 is about 37475.6509349738. The cubic root of 1404424413 is about 1119.8661651836.

Adding to 1404424413 its reverse (3144244041), we get a palindrome (4548668454).

The spelling of 1404424413 in words is "one billion, four hundred four million, four hundred twenty-four thousand, four hundred thirteen".