421442012004442 has 64 divisors (see below), whose sum is σ = 747428468371200. Its totient is φ = 175698524551680.

The previous prime is 421442012004439. The next prime is 421442012004487. The reversal of 421442012004442 is 244400210244124.

It is a super-2 number, since 2×421442012004442² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421442012004398 and 421442012004407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2785599534 + ... + 2785750822.

It is an arithmetic number, because the mean of its divisors is an integer number (11678569818300).

Almost surely, 2^{421442012004442} is an apocalyptic number.

421442012004442 is a deficient number, since it is larger than the sum of its proper divisors (325986456366758).

421442012004442 is a wasteful number, since it uses less digits than its factorization.

421442012004442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213511.

The product of its (nonzero) digits is 65536, while the sum is 34.

Adding to 421442012004442 its reverse (244400210244124), we get a palindrome (665842222248566).

The spelling of 421442012004442 in words is "four hundred twenty-one trillion, four hundred forty-two billion, twelve million, four thousand, four hundred forty-two".