40272557245 has 4 divisors (see below), whose sum is σ = 48327068700. Its totient is φ = 32218045792.

The previous prime is 40272557243. The next prime is 40272557251. The reversal of 40272557245 is 54275527204.

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 28394609049 + 11877948196 = 168507^2 + 108986^2 .

It is a cyclic number.

It is not a de Polignac number, because 40272557245 - 2¹ = 40272557243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40272557243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4027255720 + ... + 4027255729.

It is an arithmetic number, because the mean of its divisors is an integer number (12081767175).

Almost surely, 2^40272557245 is an apocalyptic number.

It is an amenable number.

40272557245 is a deficient number, since it is larger than the sum of its proper divisors (8054511455).

40272557245 is an equidigital number, since it uses as much as digits as its factorization.

40272557245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8054511454.

The product of its (nonzero) digits is 784000, while the sum is 43.

The spelling of 40272557245 in words is "forty billion, two hundred seventy-two million, five hundred fifty-seven thousand, two hundred forty-five".