403143212440441 has 4 divisors (see below), whose sum is σ = 439792595389584. Its totient is φ = 366493829491300.

The previous prime is 403143212440399. The next prime is 403143212440519. The reversal of 403143212440441 is 144044212341304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 403143212440441 - 2¹⁵ = 403143212407673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 403143212440441.

It is not an unprimeable number, because it can be changed into a prime (403143212443441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18324691474555 + ... + 18324691474576.

It is an arithmetic number, because the mean of its divisors is an integer number (109948148847396).

Almost surely, 2^{403143212440441} is an apocalyptic number.

It is an amenable number.

403143212440441 is a deficient number, since it is larger than the sum of its proper divisors (36649382949143).

403143212440441 is a wasteful number, since it uses less digits than its factorization.

403143212440441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36649382949142.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 403143212440441 its reverse (144044212341304), we get a palindrome (547187424781745).

The spelling of 403143212440441 in words is "four hundred three trillion, one hundred forty-three billion, two hundred twelve million, four hundred forty thousand, four hundred forty-one".