40515012245 has 8 divisors (see below), whose sum is σ = 48619095000. Its totient is φ = 32411289600.

The previous prime is 40515012217. The next prime is 40515012259. The reversal of 40515012245 is 54221051504.

It can be written as a sum of positive squares in 4 ways, for example, as 5802478276 + 34712533969 = 76174^2 + 186313^2 .

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

It is not a de Polignac number, because 40515012245 - 2⁸ = 40515011989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398381 + ... + 489629.

It is an arithmetic number, because the mean of its divisors is an integer number (6077386875).

Almost surely, 2^40515012245 is an apocalyptic number.

It is an amenable number.

40515012245 is a deficient number, since it is larger than the sum of its proper divisors (8104082755).

40515012245 is an equidigital number, since it uses as much as digits as its factorization.

40515012245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180055.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 40515012245 its reverse (54221051504), we get a palindrome (94736063749).

The spelling of 40515012245 in words is "forty billion, five hundred fifteen million, twelve thousand, two hundred forty-five".