40523311225253 has 4 divisors (see below), whose sum is σ = 40529575462860. Its totient is φ = 40517046987648.

The previous prime is 40523311225247. The next prime is 40523311225343. The reversal of 40523311225253 is 35252211332504.

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 12732036967204 + 27791274258049 = 3568198^2 + 5271743^2 .

It is a cyclic number.

It is not a de Polignac number, because 40523311225253 - 2¹⁰ = 40523311224229 is a prime.

It is a super-2 number, since 2×40523311225253² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40523311225213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3132109100 + ... + 3132122037.

It is an arithmetic number, because the mean of its divisors is an integer number (10132393865715).

Almost surely, 2^{40523311225253} is an apocalyptic number.

It is an amenable number.

40523311225253 is a deficient number, since it is larger than the sum of its proper divisors (6264237607).

40523311225253 is an equidigital number, since it uses as much as digits as its factorization.

40523311225253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6264237606.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 40523311225253 its reverse (35252211332504), we get a palindrome (75775522557757).

The spelling of 40523311225253 in words is "forty trillion, five hundred twenty-three billion, three hundred eleven million, two hundred twenty-five thousand, two hundred fifty-three".