405004007405 has 8 divisors (see below), whose sum is σ = 489501247200. Its totient is φ = 321672247056.

The previous prime is 405004007389. The next prime is 405004007407. The reversal of 405004007405 is 504700400504.

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

It is a cyclic number.

It is not a de Polignac number, because 405004007405 - 2⁴ = 405004007389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405004007407) 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, 291369095 + ... + 291370484.

It is an arithmetic number, because the mean of its divisors is an integer number (61187655900).

Almost surely, 2^405004007405 is an apocalyptic number.

It is an amenable number.

405004007405 is a deficient number, since it is larger than the sum of its proper divisors (84497239795).

405004007405 is a wasteful number, since it uses less digits than its factorization.

405004007405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582739723.

The product of its (nonzero) digits is 11200, while the sum is 29.

Adding to 405004007405 its reverse (504700400504), we get a palindrome (909704407909).

The spelling of 405004007405 in words is "four hundred five billion, four million, seven thousand, four hundred five".