400303300243233 has 16 divisors (see below), whose sum is σ = 537184479767040. Its totient is φ = 265150196022144.

The previous prime is 400303300243163. The next prime is 400303300243247. The reversal of 400303300243233 is 332342003303004.

It is a happy number.

It is not a de Polignac number, because 400303300243233 - 2³² = 400299005275937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400303300243233.

It is not an unprimeable number, because it can be changed into a prime (400303300243283) 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, 587440116 + ... + 588121157.

It is an arithmetic number, because the mean of its divisors is an integer number (33574029985440).

Almost surely, 2^{400303300243233} is an apocalyptic number.

It is an amenable number.

400303300243233 is a deficient number, since it is larger than the sum of its proper divisors (136881179523807).

400303300243233 is a wasteful number, since it uses less digits than its factorization.

400303300243233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175562008.

The product of its (nonzero) digits is 46656, while the sum is 30.

Adding to 400303300243233 its reverse (332342003303004), we get a palindrome (732645303546237).

The spelling of 400303300243233 in words is "four hundred trillion, three hundred three billion, three hundred million, two hundred forty-three thousand, two hundred thirty-three".