45040444251205 has 48 divisors (see below), whose sum is σ = 61075049051520. Its totient is φ = 31812167971584.

The previous prime is 45040444251191. The next prime is 45040444251223. The reversal of 45040444251205 is 50215244404054.

It is not a de Polignac number, because 45040444251205 - 2¹³ = 45040444243013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 287501386 + ... + 287658004.

It is an arithmetic number, because the mean of its divisors is an integer number (1272396855240).

Almost surely, 2^{45040444251205} is an apocalyptic number.

It is an amenable number.

45040444251205 is a deficient number, since it is larger than the sum of its proper divisors (16034604800315).

45040444251205 is a wasteful number, since it uses less digits than its factorization.

45040444251205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171470 (or 171457 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 40.

Adding to 45040444251205 its reverse (50215244404054), we get a palindrome (95255688655259).

The spelling of 45040444251205 in words is "forty-five trillion, forty billion, four hundred forty-four million, two hundred fifty-one thousand, two hundred five".