421403004314442 has 24 divisors (see below), whose sum is σ = 913653857428416. Its totient is φ = 140373204297576.

The previous prime is 421403004314441. The next prime is 421403004314533. The reversal of 421403004314442 is 244413400304124.

421403004314442 is a `hidden beast` number, since 4 + 2 + 140 + 3 + 0 + 0 + 431 + 44 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 421403004314397 and 421403004314406.

It is not an unprimeable number, because it can be changed into a prime (421403004314441) 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, 7871956428 + ... + 7872009959.

It is an arithmetic number, because the mean of its divisors is an integer number (38068910726184).

Almost surely, 2^{421403004314442} is an apocalyptic number.

421403004314442 is an abundant number, since it is smaller than the sum of its proper divisors (492250853113974).

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

421403004314442 is a wasteful number, since it uses less digits than its factorization.

421403004314442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15743967882 (or 15743967879 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 421403004314442 its reverse (244413400304124), we get a palindrome (665816404618566).

The spelling of 421403004314442 in words is "four hundred twenty-one trillion, four hundred three billion, four million, three hundred fourteen thousand, four hundred forty-two".