402144422112330 has 16 divisors (see below), whose sum is σ = 965146613069664. Its totient is φ = 107238512563280.

The previous prime is 402144422112287. The next prime is 402144422112371. The reversal of 402144422112330 is 33211224441204.

It is a junction number, because it is equal to n+sod(n) for n = 402144422112291 and 402144422112300.

It is an unprimeable number.

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, 6702407035176 + ... + 6702407035235.

It is an arithmetic number, because the mean of its divisors is an integer number (60321663316854).

Almost surely, 2^{402144422112330} is an apocalyptic number.

402144422112330 is an abundant number, since it is smaller than the sum of its proper divisors (563002190957334).

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

402144422112330 is a wasteful number, since it uses less digits than its factorization.

402144422112330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13404814070421.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 402144422112330 its reverse (33211224441204), we get a palindrome (435355646553534).

The spelling of 402144422112330 in words is "four hundred two trillion, one hundred forty-four billion, four hundred twenty-two million, one hundred twelve thousand, three hundred thirty".