400032312033 has 16 divisors (see below), whose sum is σ = 549237414080. Its totient is φ = 258795746496.

The previous prime is 400032312011. The next prime is 400032312059. The reversal of 400032312033 is 330213230004.

It is not a de Polignac number, because 400032312033 - 2¹³ = 400032303841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (400032312133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4712410 + ... + 4796547.

It is an arithmetic number, because the mean of its divisors is an integer number (34327338380).

Almost surely, 2^400032312033 is an apocalyptic number.

It is an amenable number.

400032312033 is a deficient number, since it is larger than the sum of its proper divisors (149205102047).

400032312033 is a wasteful number, since it uses less digits than its factorization.

400032312033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9509376.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 400032312033 its reverse (330213230004), we get a palindrome (730245542037).

The spelling of 400032312033 in words is "four hundred billion, thirty-two million, three hundred twelve thousand, thirty-three".