105025402044 has 36 divisors (see below), whose sum is σ = 277023526416. Its totient is φ = 33486359808.

The previous prime is 105025402043. The next prime is 105025402061. The reversal of 105025402044 is 440204520501.

105025402044 is a `hidden beast` number, since 10 + 50 + 2 + 540 + 20 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×105025402044² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105025401999 and 105025402017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105025402043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63420309 + ... + 63421964.

It is an arithmetic number, because the mean of its divisors is an integer number (7695097956).

Almost surely, 2^105025402044 is an apocalyptic number.

It is an amenable number.

105025402044 is an abundant number, since it is smaller than the sum of its proper divisors (171998124372).

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

105025402044 is a wasteful number, since it uses less digits than its factorization.

105025402044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126842306 (or 126842301 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 105025402044 its reverse (440204520501), we get a palindrome (545229922545).

The spelling of 105025402044 in words is "one hundred five billion, twenty-five million, four hundred two thousand, forty-four".