402344664042 has 8 divisors (see below), whose sum is σ = 804689328096. Its totient is φ = 134114888012.

The previous prime is 402344664041. The next prime is 402344664053. The reversal of 402344664042 is 240466443204.

It is a sphenic number, since it is the product of 3 distinct primes.

402344664042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (402344664041) 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, 33528721998 + ... + 33528722009.

It is an arithmetic number, because the mean of its divisors is an integer number (100586166012).

Almost surely, 2^402344664042 is an apocalyptic number.

402344664042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402344664042 is a wasteful number, since it uses less digits than its factorization.

402344664042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67057444012.

The product of its (nonzero) digits is 442368, while the sum is 39.

The spelling of 402344664042 in words is "four hundred two billion, three hundred forty-four million, six hundred sixty-four thousand, forty-two".