421244442410 has 32 divisors (see below), whose sum is σ = 849526883712. Its totient is φ = 149039801280.

The previous prime is 421244442401. The next prime is 421244442473. The reversal of 421244442410 is 14244442124.

It is a super-2 number, since 2×421244442410² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51745862 + ... + 51754001.

It is an arithmetic number, because the mean of its divisors is an integer number (26547715116).

Almost surely, 2^421244442410 is an apocalyptic number.

421244442410 is an abundant number, since it is smaller than the sum of its proper divisors (428282441302).

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

421244442410 is a wasteful number, since it uses less digits than its factorization.

421244442410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103499918.

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 421244442410 its reverse (14244442124), we get a palindrome (435488884534).

The spelling of 421244442410 in words is "four hundred twenty-one billion, two hundred forty-four million, four hundred forty-two thousand, four hundred ten".