40412052565 has 32 divisors (see below), whose sum is σ = 51955424640. Its totient is φ = 30084307200.

The previous prime is 40412052563. The next prime is 40412052599. The reversal of 40412052565 is 56525021404.

It is not a de Polignac number, because 40412052565 - 2¹ = 40412052563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40412052565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40412052563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4556235 + ... + 4565095.

It is an arithmetic number, because the mean of its divisors is an integer number (1623607020).

Almost surely, 2^40412052565 is an apocalyptic number.

It is an amenable number.

40412052565 is a deficient number, since it is larger than the sum of its proper divisors (11543372075).

40412052565 is a wasteful number, since it uses less digits than its factorization.

40412052565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9733.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 40412052565 its reverse (56525021404), we get a palindrome (96937073969).

The spelling of 40412052565 in words is "forty billion, four hundred twelve million, fifty-two thousand, five hundred sixty-five".