10260400457 has 2 divisors, whose sum is σ = 10260400458. Its totient is φ = 10260400456.

The previous prime is 10260400453. The next prime is 10260400483. The reversal of 10260400457 is 75400406201.

10260400457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6848555536 + 3411844921 = 82756^2 + 58411^2 .

It is an emirp because it is prime and its reverse (75400406201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10260400457 - 2² = 10260400453 is a prime.

It is not a weakly prime, because it can be changed into another prime (10260400453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5130200228 + 5130200229.

It is an arithmetic number, because the mean of its divisors is an integer number (5130200229).

Almost surely, 2^10260400457 is an apocalyptic number.

It is an amenable number.

10260400457 is a deficient number, since it is larger than the sum of its proper divisors (1).

10260400457 is an equidigital number, since it uses as much as digits as its factorization.

10260400457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 10260400457 its reverse (75400406201), we get a palindrome (85660806658).

The spelling of 10260400457 in words is "ten billion, two hundred sixty million, four hundred thousand, four hundred fifty-seven".