400313041205 has 64 divisors (see below), whose sum is σ = 630481563648. Its totient is φ = 236583029760.

The previous prime is 400313041199. The next prime is 400313041223. The reversal of 400313041205 is 502140313004.

It is not a de Polignac number, because 400313041205 - 2¹⁶ = 400312975669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 800582 + ... + 1200648.

It is an arithmetic number, because the mean of its divisors is an integer number (9851274432).

Almost surely, 2^400313041205 is an apocalyptic number.

It is an amenable number.

400313041205 is a deficient number, since it is larger than the sum of its proper divisors (230168522443).

400313041205 is a wasteful number, since it uses less digits than its factorization.

400313041205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400226.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 400313041205 its reverse (502140313004), we get a palindrome (902453354209).

The spelling of 400313041205 in words is "four hundred billion, three hundred thirteen million, forty-one thousand, two hundred five".