400331340433 has 16 divisors (see below), whose sum is σ = 405119297536. Its totient is φ = 395571496320.

The previous prime is 400331340407. The next prime is 400331340457. The reversal of 400331340433 is 334043133004.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400331340433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400331340403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45942085 + ... + 45950797.

It is an arithmetic number, because the mean of its divisors is an integer number (25319956096).

Almost surely, 2^400331340433 is an apocalyptic number.

It is an amenable number.

400331340433 is a deficient number, since it is larger than the sum of its proper divisors (4787957103).

400331340433 is a wasteful number, since it uses less digits than its factorization.

400331340433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10264.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 400331340433 its reverse (334043133004), we get a palindrome (734374473437).

The spelling of 400331340433 in words is "four hundred billion, three hundred thirty-one million, three hundred forty thousand, four hundred thirty-three".