40212044305 has 16 divisors (see below), whose sum is σ = 48473021520. Its totient is φ = 32024199168.

The previous prime is 40212044269. The next prime is 40212044321. The reversal of 40212044305 is 50344021204.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1273704721 + 38938339584 = 35689^2 + 197328^2 .

It is a cyclic number.

It is not a de Polignac number, because 40212044305 - 2¹⁷ = 40211913233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40212044305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1186779 + ... + 1220191.

It is an arithmetic number, because the mean of its divisors is an integer number (3029563845).

Almost surely, 2^40212044305 is an apocalyptic number.

It is an amenable number.

40212044305 is a deficient number, since it is larger than the sum of its proper divisors (8260977215).

40212044305 is a wasteful number, since it uses less digits than its factorization.

40212044305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34500.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 40212044305 its reverse (50344021204), we get a palindrome (90556065509).

The spelling of 40212044305 in words is "forty billion, two hundred twelve million, forty-four thousand, three hundred five".