400241213443 has 8 divisors (see below), whose sum is σ = 401998650416. Its totient is φ = 398484576000.

The previous prime is 400241213431. The next prime is 400241213521. The reversal of 400241213443 is 344312142004.

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-400241213443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400241213423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814780 + ... + 1210102.

It is an arithmetic number, because the mean of its divisors is an integer number (50249831302).

Almost surely, 2^400241213443 is an apocalyptic number.

400241213443 is a deficient number, since it is larger than the sum of its proper divisors (1757436973).

400241213443 is a wasteful number, since it uses less digits than its factorization.

400241213443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399765.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 400241213443 its reverse (344312142004), we get a palindrome (744553355447).

The spelling of 400241213443 in words is "four hundred billion, two hundred forty-one million, two hundred thirteen thousand, four hundred forty-three".