402343201402188 has 24 divisors (see below), whose sum is σ = 939184457121792. Its totient is φ = 134059592774544.

The previous prime is 402343201401871. The next prime is 402343201402189. The reversal of 402343201402188 is 881204102343204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (402343201402189) 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 7 ways as a sum of consecutive naturals, for example, 6850931020 + ... + 6850989747.

It is an arithmetic number, because the mean of its divisors is an integer number (39132685713408).

Almost surely, 2^{402343201402188} is an apocalyptic number.

It is an amenable number.

402343201402188 is an abundant number, since it is smaller than the sum of its proper divisors (536841255719604).

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

402343201402188 is a wasteful number, since it uses less digits than its factorization.

402343201402188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13701923221 (or 13701923219 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The spelling of 402343201402188 in words is "four hundred two trillion, three hundred forty-three billion, two hundred one million, four hundred two thousand, one hundred eighty-eight".