402441023043 has 6 divisors (see below), whose sum is σ = 581303699964. Its totient is φ = 268294015356.

The previous prime is 402441023027. The next prime is 402441023107. The reversal of 402441023043 is 340320144204.

It is a happy number.

It is not a de Polignac number, because 402441023043 - 2⁴ = 402441023027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402441022998 and 402441023016.

It is not an unprimeable number, because it can be changed into a prime (402441024043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22357834605 + ... + 22357834622.

It is an arithmetic number, because the mean of its divisors is an integer number (96883949994).

Almost surely, 2^402441023043 is an apocalyptic number.

402441023043 is a deficient number, since it is larger than the sum of its proper divisors (178862676921).

402441023043 is a wasteful number, since it uses less digits than its factorization.

402441023043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44715669233 (or 44715669230 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 402441023043 its reverse (340320144204), we get a palindrome (742761167247).

The spelling of 402441023043 in words is "four hundred two billion, four hundred forty-one million, twenty-three thousand, forty-three".