402144141342 has 32 divisors (see below), whose sum is σ = 863265118752. Its totient is φ = 124434607104.

The previous prime is 402144141317. The next prime is 402144141379. The reversal of 402144141342 is 243141441204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26996593 + ... + 27011484.

It is an arithmetic number, because the mean of its divisors is an integer number (26977034961).

Almost surely, 2^402144141342 is an apocalyptic number.

402144141342 is an abundant number, since it is smaller than the sum of its proper divisors (461120977410).

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

402144141342 is a wasteful number, since it uses less digits than its factorization.

402144141342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54008172.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 402144141342 its reverse (243141441204), we get a palindrome (645285582546).

The spelling of 402144141342 in words is "four hundred two billion, one hundred forty-four million, one hundred forty-one thousand, three hundred forty-two".