40401122453 has 2 divisors, whose sum is σ = 40401122454. Its totient is φ = 40401122452.

The previous prime is 40401122431. The next prime is 40401122467. The reversal of 40401122453 is 35422110404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36158163409 + 4242959044 = 190153^2 + 65138^2 .

It is a cyclic number.

It is not a de Polignac number, because 40401122453 - 2¹⁸ = 40400860309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40401122753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20200561226 + 20200561227.

It is an arithmetic number, because the mean of its divisors is an integer number (20200561227).

Almost surely, 2^40401122453 is an apocalyptic number.

It is an amenable number.

40401122453 is a deficient number, since it is larger than the sum of its proper divisors (1).

40401122453 is an equidigital number, since it uses as much as digits as its factorization.

40401122453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 40401122453 its reverse (35422110404), we get a palindrome (75823232857).

The spelling of 40401122453 in words is "forty billion, four hundred one million, one hundred twenty-two thousand, four hundred fifty-three".