40005300245 has 4 divisors (see below), whose sum is σ = 48006360300. Its totient is φ = 32004240192.

The previous prime is 40005300233. The next prime is 40005300253. The reversal of 40005300245 is 54200350004.

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 14729705956 + 25275594289 = 121366^2 + 158983^2 .

It is a cyclic number.

It is not a de Polignac number, because 40005300245 - 2¹⁴ = 40005283861 is a prime.

It is a super-3 number, since 3×40005300245³ (a number of 33 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40005300245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4000530020 + ... + 4000530029.

It is an arithmetic number, because the mean of its divisors is an integer number (12001590075).

Almost surely, 2^40005300245 is an apocalyptic number.

It is an amenable number.

40005300245 is a deficient number, since it is larger than the sum of its proper divisors (8001060055).

40005300245 is an equidigital number, since it uses as much as digits as its factorization.

40005300245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8001060054.

The product of its (nonzero) digits is 2400, while the sum is 23.

Adding to 40005300245 its reverse (54200350004), we get a palindrome (94205650249).

The spelling of 40005300245 in words is "forty billion, five million, three hundred thousand, two hundred forty-five".