405421413 has 8 divisors (see below), whose sum is σ = 541384800. Its totient is φ = 269869488.

The previous prime is 405421361. The next prime is 405421417. The reversal of 405421413 is 314124504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 405421413 - 2⁶ = 405421349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405421417) 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, 100558 + ... + 104511.

It is an arithmetic number, because the mean of its divisors is an integer number (67673100).

Almost surely, 2^405421413 is an apocalyptic number.

It is an amenable number.

405421413 is a deficient number, since it is larger than the sum of its proper divisors (135963387).

405421413 is a wasteful number, since it uses less digits than its factorization.

405421413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205731.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 405421413 is about 20135.0791654764. The cubic root of 405421413 is about 740.1201491057.

Adding to 405421413 its reverse (314124504), we get a palindrome (719545917).

The spelling of 405421413 in words is "four hundred five million, four hundred twenty-one thousand, four hundred thirteen".