140446644041 has 16 divisors (see below), whose sum is σ = 153938873088. Its totient is φ = 127075506000.

The previous prime is 140446643999. The next prime is 140446644071.

140446644041 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 140446644041 - 2²² = 140442449737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140446643986 and 140446644004.

It is not an unprimeable number, because it can be changed into a prime (140446644071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9988466 + ... + 10002516.

It is an arithmetic number, because the mean of its divisors is an integer number (9621179568).

Almost surely, 2^140446644041 is an apocalyptic number.

140446644041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140446644041 is a deficient number, since it is larger than the sum of its proper divisors (13492229047).

140446644041 is a wasteful number, since it uses less digits than its factorization.

140446644041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18292.

The product of its (nonzero) digits is 147456, while the sum is 38.

It can be divided in two parts, 140446 and 644041, that added together give a palindrome (784487).

The spelling of 140446644041 in words is "one hundred forty billion, four hundred forty-six million, six hundred forty-four thousand, forty-one".