402144432022 has 8 divisors (see below), whose sum is σ = 609073120656. Its totient is φ = 199120058472.

The previous prime is 402144432013. The next prime is 402144432047. The reversal of 402144432022 is 220234441204.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976078513 + ... + 976078924.

It is an arithmetic number, because the mean of its divisors is an integer number (76134140082).

Almost surely, 2^402144432022 is an apocalyptic number.

402144432022 is a deficient number, since it is larger than the sum of its proper divisors (206928688634).

402144432022 is a wasteful number, since it uses less digits than its factorization.

402144432022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952157542.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 402144432022 its reverse (220234441204), we get a palindrome (622378873226).

The spelling of 402144432022 in words is "four hundred two billion, one hundred forty-four million, four hundred thirty-two thousand, twenty-two".