105840484401 has 4 divisors (see below), whose sum is σ = 141120645872. Its totient is φ = 70560322932.

The previous prime is 105840484381. The next prime is 105840484427. The reversal of 105840484401 is 104484048501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 105840484401 - 2¹¹ = 105840482353 is a prime.

It is a super-2 number, since 2×105840484401² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 105840484401.

It is not an unprimeable number, because it can be changed into a prime (105840584401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17640080731 + ... + 17640080736.

It is an arithmetic number, because the mean of its divisors is an integer number (35280161468).

Almost surely, 2^105840484401 is an apocalyptic number.

It is an amenable number.

105840484401 is a deficient number, since it is larger than the sum of its proper divisors (35280161471).

105840484401 is an equidigital number, since it uses as much as digits as its factorization.

105840484401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35280161470.

The product of its (nonzero) digits is 81920, while the sum is 39.

It can be divided in two parts, 105840 and 484401, that added together give a triangular number (590241 = T₁₀₈₆).

The spelling of 105840484401 in words is "one hundred five billion, eight hundred forty million, four hundred eighty-four thousand, four hundred one".