10420400441 has 4 divisors (see below), whose sum is σ = 11367709584. Its totient is φ = 9473091300.

The previous prime is 10420400423. The next prime is 10420400477. The reversal of 10420400441 is 14400402401.

It is a happy number.

10420400441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10420400441 - 2¹⁰ = 10420399417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10420400491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473654555 + ... + 473654576.

It is an arithmetic number, because the mean of its divisors is an integer number (2841927396).

Almost surely, 2^10420400441 is an apocalyptic number.

10420400441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10420400441 is a deficient number, since it is larger than the sum of its proper divisors (947309143).

10420400441 is an equidigital number, since it uses as much as digits as its factorization.

10420400441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947309142.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 10420400441 its reverse (14400402401), we get a palindrome (24820802842).

The spelling of 10420400441 in words is "ten billion, four hundred twenty million, four hundred thousand, four hundred forty-one".