400312341 has 32 divisors (see below), whose sum is σ = 696743040. Its totient is φ = 223948800.

The previous prime is 400312313. The next prime is 400312421. The reversal of 400312341 is 143213004.

400312341 is a `hidden beast` number, since 400 + 31 + 234 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-400312341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400312541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47980 + ... + 55701.

It is an arithmetic number, because the mean of its divisors is an integer number (21773220).

Almost surely, 2^400312341 is an apocalyptic number.

It is an amenable number.

400312341 is a deficient number, since it is larger than the sum of its proper divisors (296430699).

400312341 is a wasteful number, since it uses less digits than its factorization.

400312341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103714 (or 103708 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 400312341 is about 20007.8070012683. The cubic root of 400312341 is about 736.9980288464.

Adding to 400312341 its reverse (143213004), we get a palindrome (543525345).

The spelling of 400312341 in words is "four hundred million, three hundred twelve thousand, three hundred forty-one".