105440354024 has 8 divisors (see below), whose sum is σ = 197700663810. Its totient is φ = 52720177008.

The previous prime is 105440354011. The next prime is 105440354027. The reversal of 105440354024 is 420453044501.

It can be written as a sum of positive squares in only one way, i.e., 104858097124 + 582256900 = 323818^2 + 24130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×105440354024² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105440354027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6590022119 + ... + 6590022134.

Almost surely, 2^105440354024 is an apocalyptic number.

It is an amenable number.

105440354024 is a deficient number, since it is larger than the sum of its proper divisors (92260309786).

105440354024 is a wasteful number, since it uses less digits than its factorization.

105440354024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13180044259 (or 13180044255 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 105440354024 its reverse (420453044501), we get a palindrome (525893398525).

The spelling of 105440354024 in words is "one hundred five billion, four hundred forty million, three hundred fifty-four thousand, twenty-four".