40445430105345 has 16 divisors (see below), whose sum is σ = 64740690252672. Its totient is φ = 21561562028160.

The previous prime is 40445430105343. The next prime is 40445430105391. The reversal of 40445430105345 is 54350103454404.

It is not a de Polignac number, because 40445430105345 - 2¹ = 40445430105343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40445430105297 and 40445430105306.

It is not an unprimeable number, because it can be changed into a prime (40445430105343) 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, 583340932 + ... + 583410261.

It is an arithmetic number, because the mean of its divisors is an integer number (4046293140792).

Almost surely, 2^{40445430105345} is an apocalyptic number.

It is an amenable number.

40445430105345 is a deficient number, since it is larger than the sum of its proper divisors (24295260147327).

40445430105345 is a wasteful number, since it uses less digits than its factorization.

40445430105345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166753512.

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 40445430105345 its reverse (54350103454404), we get a palindrome (94795533559749).

The spelling of 40445430105345 in words is "forty trillion, four hundred forty-five billion, four hundred thirty million, one hundred five thousand, three hundred forty-five".