421132423035442 has 16 divisors (see below), whose sum is σ = 646659869771520. Its totient is φ = 205583232646512.

The previous prime is 421132423035431. The next prime is 421132423035479. The reversal of 421132423035442 is 244530324231124.

It is a junction number, because it is equal to n+sod(n) for n = 421132423035395 and 421132423035404.

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, 1024677058 + ... + 1025087965.

It is an arithmetic number, because the mean of its divisors is an integer number (40416241860720).

Almost surely, 2^{421132423035442} is an apocalyptic number.

421132423035442 is a deficient number, since it is larger than the sum of its proper divisors (225527446736078).

421132423035442 is a wasteful number, since it uses less digits than its factorization.

421132423035442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049767457.

The product of its (nonzero) digits is 552960, while the sum is 40.

Adding to 421132423035442 its reverse (244530324231124), we get a palindrome (665662747266566).

The spelling of 421132423035442 in words is "four hundred twenty-one trillion, one hundred thirty-two billion, four hundred twenty-three million, thirty-five thousand, four hundred forty-two".