105421324404 has 96 divisors (see below), whose sum is σ = 277575524352. Its totient is φ = 30851280000.

The previous prime is 105421324397. The next prime is 105421324423. The reversal of 105421324404 is 404423124501.

It is a super-2 number, since 2×105421324404² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 1966354 + ... + 2019254.

It is an arithmetic number, because the mean of its divisors is an integer number (2891411712).

Almost surely, 2^105421324404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105421324404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138787762176).

105421324404 is an abundant number, since it is smaller than the sum of its proper divisors (172154199948).

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

105421324404 is a wasteful number, since it uses less digits than its factorization.

105421324404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53437 (or 53435 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 105421324404 its reverse (404423124501), we get a palindrome (509844448905).

The spelling of 105421324404 in words is "one hundred five billion, four hundred twenty-one million, three hundred twenty-four thousand, four hundred four".