402214443140 has 12 divisors (see below), whose sum is σ = 844650330636. Its totient is φ = 160885777248.

The previous prime is 402214443131. The next prime is 402214443179. The reversal of 402214443140 is 41344412204.

It can be written as a sum of positive squares in 2 ways, for example, as 127032365056 + 275182078084 = 356416^2 + 524578^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10055361059 + ... + 10055361098.

It is an arithmetic number, because the mean of its divisors is an integer number (70387527553).

Almost surely, 2^402214443140 is an apocalyptic number.

It is an amenable number.

402214443140 is an abundant number, since it is smaller than the sum of its proper divisors (442435887496).

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

402214443140 is a wasteful number, since it uses less digits than its factorization.

402214443140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20110722166 (or 20110722164 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 402214443140 its reverse (41344412204), we get a palindrome (443558855344).

The spelling of 402214443140 in words is "four hundred two billion, two hundred fourteen million, four hundred forty-three thousand, one hundred forty".