400510133326453 has 2 divisors, whose sum is σ = 400510133326454. Its totient is φ = 400510133326452.

The previous prime is 400510133326321. The next prime is 400510133326483. The reversal of 400510133326453 is 354623331015004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245519535297969 + 154990598028484 = 15669063^2 + 12449522^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400510133326453 is a prime.

It is a super-2 number, since 2×400510133326453² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400510133326483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200255066663226 + 200255066663227.

It is an arithmetic number, because the mean of its divisors is an integer number (200255066663227).

Almost surely, 2^{400510133326453} is an apocalyptic number.

It is an amenable number.

400510133326453 is a deficient number, since it is larger than the sum of its proper divisors (1).

400510133326453 is an equidigital number, since it uses as much as digits as its factorization.

400510133326453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 400510133326453 in words is "four hundred trillion, five hundred ten billion, one hundred thirty-three million, three hundred twenty-six thousand, four hundred fifty-three".