40120512245 has 8 divisors (see below), whose sum is σ = 52521397920. Its totient is φ = 29178554320.

The previous prime is 40120512217. The next prime is 40120512247. The reversal of 40120512245 is 54221502104.

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

It is not a de Polignac number, because 40120512245 - 2¹⁴ = 40120495861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40120512247) 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, 364731875 + ... + 364731984.

It is an arithmetic number, because the mean of its divisors is an integer number (6565174740).

Almost surely, 2^40120512245 is an apocalyptic number.

It is an amenable number.

40120512245 is a deficient number, since it is larger than the sum of its proper divisors (12400885675).

40120512245 is a wasteful number, since it uses less digits than its factorization.

40120512245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729463875.

The product of its (nonzero) digits is 3200, while the sum is 26.

The spelling of 40120512245 in words is "forty billion, one hundred twenty million, five hundred twelve thousand, two hundred forty-five".