421442012004441 has 8 divisors (see below), whose sum is σ = 562775372633760. Its totient is φ = 280534996355712.

The previous prime is 421442012004439. The next prime is 421442012004487. The reversal of 421442012004441 is 144400210244124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 421442012004441 - 2¹ = 421442012004439 is a prime.

It is a super-2 number, since 2×421442012004441² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421442012004941) 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, 106586242840 + ... + 106586246793.

It is an arithmetic number, because the mean of its divisors is an integer number (70346921579220).

Almost surely, 2^{421442012004441} is an apocalyptic number.

It is an amenable number.

421442012004441 is a deficient number, since it is larger than the sum of its proper divisors (141333360629319).

421442012004441 is a wasteful number, since it uses less digits than its factorization.

421442012004441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213172490295.

The product of its (nonzero) digits is 32768, while the sum is 33.

Adding to 421442012004441 its reverse (144400210244124), we get a palindrome (565842222248565).

The spelling of 421442012004441 in words is "four hundred twenty-one trillion, four hundred forty-two billion, twelve million, four thousand, four hundred forty-one".