105421502406 has 48 divisors (see below), whose sum is σ = 239229010944. Its totient is φ = 30915390000.

The previous prime is 105421502401. The next prime is 105421502419. The reversal of 105421502406 is 604205124501.

It is a super-2 number, since 2×105421502406² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105421502401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2319570 + ... + 2364581.

It is an arithmetic number, because the mean of its divisors is an integer number (4983937728).

Almost surely, 2^105421502406 is an apocalyptic number.

105421502406 is an abundant number, since it is smaller than the sum of its proper divisors (133807508538).

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

105421502406 is a wasteful number, since it uses less digits than its factorization.

105421502406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684209 (or 4684198 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 105421502406 its reverse (604205124501), we get a palindrome (709626626907).

The spelling of 105421502406 in words is "one hundred five billion, four hundred twenty-one million, five hundred two thousand, four hundred six".