402340003004441 has 4 divisors (see below), whose sum is σ = 402416976417552. Its totient is φ = 402263029591332.

The previous prime is 402340003004377. The next prime is 402340003004449. The reversal of 402340003004441 is 144400300043204.

It is a happy number.

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 402340003004441 - 2⁶ = 402340003004377 is a prime.

It is a super-2 number, since 2×402340003004441² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402340003004449) 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, 38486698715 + ... + 38486709168.

It is an arithmetic number, because the mean of its divisors is an integer number (100604244104388).

Almost surely, 2^{402340003004441} is an apocalyptic number.

It is an amenable number.

402340003004441 is a deficient number, since it is larger than the sum of its proper divisors (76973413111).

402340003004441 is an equidigital number, since it uses as much as digits as its factorization.

402340003004441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76973413110.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 402340003004441 its reverse (144400300043204), we get a palindrome (546740303047645).

The spelling of 402340003004441 in words is "four hundred two trillion, three hundred forty billion, three million, four thousand, four hundred forty-one".