40130717245 has 4 divisors (see below), whose sum is σ = 48156860700. Its totient is φ = 32104573792.

The previous prime is 40130717213. The next prime is 40130717257. The reversal of 40130717245 is 54271703104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26612701956 + 13518015289 = 163134^2 + 116267^2 .

It is a cyclic number.

It is not a de Polignac number, because 40130717245 - 2⁵ = 40130717213 is a prime.

It is a super-2 number, since 2×40130717245² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40130717245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4013071720 + ... + 4013071729.

It is an arithmetic number, because the mean of its divisors is an integer number (12039215175).

Almost surely, 2^40130717245 is an apocalyptic number.

It is an amenable number.

40130717245 is a deficient number, since it is larger than the sum of its proper divisors (8026143455).

40130717245 is an equidigital number, since it uses as much as digits as its factorization.

40130717245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8026143454.

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 40130717245 in words is "forty billion, one hundred thirty million, seven hundred seventeen thousand, two hundred forty-five".