405048385 has 8 divisors (see below), whose sum is σ = 555494976. Its totient is φ = 277747440.

The previous prime is 405048379. The next prime is 405048401. The reversal of 405048385 is 583840504.

It is a happy number.

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

It is not a de Polignac number, because 405048385 - 2¹³ = 405040193 is a prime.

It is a super-2 number, since 2×405048385² = 328128388382216450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5786371 + ... + 5786440.

It is an arithmetic number, because the mean of its divisors is an integer number (69436872).

Almost surely, 2^405048385 is an apocalyptic number.

It is an amenable number.

405048385 is a deficient number, since it is larger than the sum of its proper divisors (150446591).

405048385 is a wasteful number, since it uses less digits than its factorization.

405048385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11572823.

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 405048385 is about 20125.8138965856. The cubic root of 405048385 is about 739.8930847484.

Adding to 405048385 its reverse (583840504), we get a palindrome (988888889).

The spelling of 405048385 in words is "four hundred five million, forty-eight thousand, three hundred eighty-five".