321421040410 has 16 divisors (see below), whose sum is σ = 578566872576. Its totient is φ = 128566416208.

The previous prime is 321421040407. The next prime is 321421040461. The reversal of 321421040410 is 14040124123.

It is a happy number.

It is a super-2 number, since 2×321421040410² (a number of 24 digits) contains 22 as substring.

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, 545559 + ... + 969781.

It is an arithmetic number, because the mean of its divisors is an integer number (36160429536).

Almost surely, 2^321421040410 is an apocalyptic number.

321421040410 is a deficient number, since it is larger than the sum of its proper divisors (257145832166).

321421040410 is a wasteful number, since it uses less digits than its factorization.

321421040410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499997.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 321421040410 its reverse (14040124123), we get a palindrome (335461164533).

The spelling of 321421040410 in words is "three hundred twenty-one billion, four hundred twenty-one million, forty thousand, four hundred ten".