400105152205 has 16 divisors (see below), whose sum is σ = 524591183808. Its totient is φ = 290531584000.

The previous prime is 400105152191. The next prime is 400105152211. The reversal of 400105152205 is 502251501004.

It is a de Polignac number, because none of the positive numbers 2^k-400105152205 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 400105152205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5639191 + ... + 5709700.

It is an arithmetic number, because the mean of its divisors is an integer number (32786948988).

Almost surely, 2^400105152205 is an apocalyptic number.

It is an amenable number.

400105152205 is a deficient number, since it is larger than the sum of its proper divisors (124486031603).

400105152205 is a wasteful number, since it uses less digits than its factorization.

400105152205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11349548.

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 400105152205 its reverse (502251501004), we get a palindrome (902356653209).

The spelling of 400105152205 in words is "four hundred billion, one hundred five million, one hundred fifty-two thousand, two hundred five".