401233442043 has 32 divisors (see below), whose sum is σ = 647724404736. Its totient is φ = 215670693888.

The previous prime is 401233441933. The next prime is 401233442047. The reversal of 401233442043 is 340244332104.

It is a happy number.

It is not a de Polignac number, because 401233442043 - 2¹³ = 401233433851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 401233442043.

It is not an unprimeable number, because it can be changed into a prime (401233442047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342555 + ... + 959067.

It is an arithmetic number, because the mean of its divisors is an integer number (20241387648).

Almost surely, 2^401233442043 is an apocalyptic number.

401233442043 is a deficient number, since it is larger than the sum of its proper divisors (246490962693).

401233442043 is a wasteful number, since it uses less digits than its factorization.

401233442043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618363.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 401233442043 its reverse (340244332104), we get a palindrome (741477774147).

The spelling of 401233442043 in words is "four hundred one billion, two hundred thirty-three million, four hundred forty-two thousand, forty-three".