400268307043 has 4 divisors (see below), whose sum is σ = 436656334968. Its totient is φ = 363880279120.

The previous prime is 400268307029. The next prime is 400268307071. The reversal of 400268307043 is 340703862004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 400268307043 - 2¹⁷ = 400268175971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400268306993 and 400268307011.

It is not an unprimeable number, because it can be changed into a prime (400268307013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18194013946 + ... + 18194013967.

It is an arithmetic number, because the mean of its divisors is an integer number (109164083742).

Almost surely, 2^400268307043 is an apocalyptic number.

400268307043 is a deficient number, since it is larger than the sum of its proper divisors (36388027925).

400268307043 is a wasteful number, since it uses less digits than its factorization.

400268307043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36388027924.

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 400268307043 in words is "four hundred billion, two hundred sixty-eight million, three hundred seven thousand, forty-three".