412040240545 has 8 divisors (see below), whose sum is σ = 494453753640. Its totient is φ = 329628549120.

The previous prime is 412040240543. The next prime is 412040240581. The reversal of 412040240545 is 545042040214.

It can be written as a sum of positive squares in 4 ways, for example, as 45711121 + 411994529424 = 6761^2 + 641868^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 412040240545 - 2¹ = 412040240543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (412040240543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104865 + ... + 913825.

It is an arithmetic number, because the mean of its divisors is an integer number (61806719205).

Almost surely, 2^412040240545 is an apocalyptic number.

It is an amenable number.

412040240545 is a deficient number, since it is larger than the sum of its proper divisors (82413513095).

412040240545 is a wasteful number, since it uses less digits than its factorization.

412040240545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910835.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 412040240545 its reverse (545042040214), we get a palindrome (957082280759).

The spelling of 412040240545 in words is "four hundred twelve billion, forty million, two hundred forty thousand, five hundred forty-five".