3855052405 has 8 divisors (see below), whose sum is σ = 4869540000. Its totient is φ = 2921723856.

The previous prime is 3855052381. The next prime is 3855052417. The reversal of 3855052405 is 5042505583.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3855052405 is a prime.

It is a super-2 number, since 2×3855052405² = 29722858090592568050, which contains 22 as substring.

It is a congruent 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, 20289655 + ... + 20289844.

It is an arithmetic number, because the mean of its divisors is an integer number (608692500).

Almost surely, 2^3855052405 is an apocalyptic number.

It is an amenable number.

3855052405 is a deficient number, since it is larger than the sum of its proper divisors (1014487595).

3855052405 is a wasteful number, since it uses less digits than its factorization.

3855052405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40579523.

The product of its (nonzero) digits is 120000, while the sum is 37.

The square root of 3855052405 is about 62089.0683212432. The cubic root of 3855052405 is about 1567.9905058786.

Adding to 3855052405 its reverse (5042505583), we get a palindrome (8897557988).

The spelling of 3855052405 in words is "three billion, eight hundred fifty-five million, fifty-two thousand, four hundred five".