400240320233 has 16 divisors (see below), whose sum is σ = 456521466240. Its totient is φ = 347614315776.

The previous prime is 400240320217. The next prime is 400240320251. The reversal of 400240320233 is 332023042004.

It is not a de Polignac number, because 400240320233 - 2⁴ = 400240320217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400240320199 and 400240320208.

It is not an unprimeable number, because it can be changed into a prime (400240320283) 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, 457028 + ... + 1004666.

It is an arithmetic number, because the mean of its divisors is an integer number (28532591640).

Almost surely, 2^400240320233 is an apocalyptic number.

It is an amenable number.

400240320233 is a deficient number, since it is larger than the sum of its proper divisors (56281146007).

400240320233 is a wasteful number, since it uses less digits than its factorization.

400240320233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550976.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 400240320233 its reverse (332023042004), we get a palindrome (732263362237).

The spelling of 400240320233 in words is "four hundred billion, two hundred forty million, three hundred twenty thousand, two hundred thirty-three".