40453240313 has 2 divisors, whose sum is σ = 40453240314. Its totient is φ = 40453240312.

The previous prime is 40453240297. The next prime is 40453240337. The reversal of 40453240313 is 31304235404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30030463849 + 10422776464 = 173293^2 + 102092^2 .

It is a cyclic number.

It is not a de Polignac number, because 40453240313 - 2⁴ = 40453240297 is a prime.

It is not a weakly prime, because it can be changed into another prime (40453240343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20226620156 + 20226620157.

It is an arithmetic number, because the mean of its divisors is an integer number (20226620157).

Almost surely, 2^40453240313 is an apocalyptic number.

It is an amenable number.

40453240313 is a deficient number, since it is larger than the sum of its proper divisors (1).

40453240313 is an equidigital number, since it uses as much as digits as its factorization.

40453240313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 40453240313 its reverse (31304235404), we get a palindrome (71757475717).

The spelling of 40453240313 in words is "forty billion, four hundred fifty-three million, two hundred forty thousand, three hundred thirteen".