421041334133444 has 6 divisors (see below), whose sum is σ = 736822334733534. Its totient is φ = 210520667066720.

The previous prime is 421041334133417. The next prime is 421041334133447. The reversal of 421041334133444 is 444331433140124.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 405705400936900 + 15335933196544 = 20142130^2 + 3916112^2 .

It is a super-2 number, since 2×421041334133444² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421041334133447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52630166766677 + ... + 52630166766684.

It is an arithmetic number, because the mean of its divisors is an integer number (122803722455589).

Almost surely, 2^{421041334133444} is an apocalyptic number.

It is an amenable number.

421041334133444 is a deficient number, since it is larger than the sum of its proper divisors (315781000600090).

421041334133444 is a wasteful number, since it uses less digits than its factorization.

421041334133444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105260333533365 (or 105260333533363 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 41.

Adding to 421041334133444 its reverse (444331433140124), we get a palindrome (865372767273568).

The spelling of 421041334133444 in words is "four hundred twenty-one trillion, forty-one billion, three hundred thirty-four million, one hundred thirty-three thousand, four hundred forty-four".