402132224140 has 24 divisors (see below), whose sum is σ = 852225176880. Its totient is φ = 159377174208.

The previous prime is 402132224113. The next prime is 402132224141. The reversal of 402132224140 is 41422231204.

It is not an unprimeable number, because it can be changed into a prime (402132224141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92229982 + ... + 92234341.

It is an arithmetic number, because the mean of its divisors is an integer number (35509382370).

Almost surely, 2^402132224140 is an apocalyptic number.

It is an amenable number.

402132224140 is an abundant number, since it is smaller than the sum of its proper divisors (450092952740).

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

402132224140 is a wasteful number, since it uses less digits than its factorization.

402132224140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184464441 (or 184464439 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 402132224140 its reverse (41422231204), we get a palindrome (443554455344).

The spelling of 402132224140 in words is "four hundred two billion, one hundred thirty-two million, two hundred twenty-four thousand, one hundred forty".