402643140414 has 16 divisors (see below), whose sum is σ = 805292548752. Its totient is φ = 134213335488.

The previous prime is 402643140391. The next prime is 402643140439. The reversal of 402643140414 is 414041346204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220922 + ... + 1515234.

It is an arithmetic number, because the mean of its divisors is an integer number (50330784297).

Almost surely, 2^402643140414 is an apocalyptic number.

402643140414 is an abundant number, since it is smaller than the sum of its proper divisors (402649408338).

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

402643140414 is a wasteful number, since it uses less digits than its factorization.

402643140414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522331.

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

Adding to 402643140414 its reverse (414041346204), we get a palindrome (816684486618).

The spelling of 402643140414 in words is "four hundred two billion, six hundred forty-three million, one hundred forty thousand, four hundred fourteen".