13421442402 has 24 divisors (see below), whose sum is σ = 30344131584. Its totient is φ = 4279300344.

The previous prime is 13421442401. The next prime is 13421442403. The reversal of 13421442402 is 20424412431.

13421442402 is a `hidden beast` number, since 1 + 3 + 4 + 214 + 42 + 402 = 666.

It is an interprime number because it is at equal distance from previous prime (13421442401) and next prime (13421442403).

It is not an unprimeable number, because it can be changed into a prime (13421442401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16209058 + ... + 16209885.

It is an arithmetic number, because the mean of its divisors is an integer number (1264338816).

Almost surely, 2^13421442402 is an apocalyptic number.

13421442402 is an abundant number, since it is smaller than the sum of its proper divisors (16922689182).

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

13421442402 is a wasteful number, since it uses less digits than its factorization.

13421442402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32418974 (or 32418971 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 13421442402 its reverse (20424412431), we get a palindrome (33845854833).

The spelling of 13421442402 in words is "thirteen billion, four hundred twenty-one million, four hundred forty-two thousand, four hundred two".