402402433131441 has 16 divisors (see below), whose sum is σ = 631219502952000. Its totient is φ = 252487801180224.

The previous prime is 402402433131397. The next prime is 402402433131467. The reversal of 402402433131441 is 144131334204204.

402402433131441 is a `hidden beast` number, since 4 + 0 + 2 + 4 + 0 + 2 + 4 + 331 + 314 + 4 + 1 = 666.

It is not a de Polignac number, because 402402433131441 - 2¹¹ = 402402433129393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402402433131396 and 402402433131405.

It is not an unprimeable number, because it can be changed into a prime (402402433131641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438346876591 + ... + 438346877508.

It is an arithmetic number, because the mean of its divisors is an integer number (39451218934500).

Almost surely, 2^{402402433131441} is an apocalyptic number.

It is an amenable number.

402402433131441 is a deficient number, since it is larger than the sum of its proper divisors (228817069820559).

402402433131441 is a wasteful number, since it uses less digits than its factorization.

402402433131441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876693754125 (or 876693754119 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 402402433131441 its reverse (144131334204204), we get a palindrome (546533767335645).

The spelling of 402402433131441 in words is "four hundred two trillion, four hundred two billion, four hundred thirty-three million, one hundred thirty-one thousand, four hundred forty-one".