402142334433 has 16 divisors (see below), whose sum is σ = 625294204800. Its totient is φ = 229795619088.

The previous prime is 402142334389. The next prime is 402142334471. The reversal of 402142334433 is 334433241204.

It is a happy number.

It is not a de Polignac number, because 402142334433 - 2⁶ = 402142334369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402142334394 and 402142334403.

It is not an unprimeable number, because it can be changed into a prime (402142334233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195403410 + ... + 195405467.

It is an arithmetic number, because the mean of its divisors is an integer number (39080887800).

Almost surely, 2^402142334433 is an apocalyptic number.

It is an amenable number.

402142334433 is a deficient number, since it is larger than the sum of its proper divisors (223151870367).

402142334433 is an equidigital number, since it uses as much as digits as its factorization.

402142334433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390808901 (or 390808887 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 402142334433 its reverse (334433241204), we get a palindrome (736575575637).

The spelling of 402142334433 in words is "four hundred two billion, one hundred forty-two million, three hundred thirty-four thousand, four hundred thirty-three".