402443034133441 has 4 divisors (see below), whose sum is σ = 459934896152512. Its totient is φ = 344951172114372.

The previous prime is 402443034133367. The next prime is 402443034133507. The reversal of 402443034133441 is 144331430344204.

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 402443034133441 - 2¹⁷ = 402443034002369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402443034133394 and 402443034133403.

It is not an unprimeable number, because it can be changed into a prime (402443034233441) 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, 28745931009525 + ... + 28745931009538.

It is an arithmetic number, because the mean of its divisors is an integer number (114983724038128).

Almost surely, 2^{402443034133441} is an apocalyptic number.

It is an amenable number.

402443034133441 is a deficient number, since it is larger than the sum of its proper divisors (57491862019071).

402443034133441 is an equidigital number, since it uses as much as digits as its factorization.

402443034133441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57491862019070.

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 402443034133441 its reverse (144331430344204), we get a palindrome (546774464477645).

The spelling of 402443034133441 in words is "four hundred two trillion, four hundred forty-three billion, thirty-four million, one hundred thirty-three thousand, four hundred forty-one".