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10404440401 = 39953260417
BaseRepresentation
bin10011011000010011…
…10010100101010001
3222212002210100001111
421230021302211101
5132302014043101
64440231133321
7515555166325
oct115411624521
928762710044
1010404440401
11445a043083
122024514241
13c9a724c14
14709b61985
1540d64c251
hex26c272951

10404440401 has 4 divisors (see below), whose sum is σ = 10404740772. Its totient is φ = 10404140032.

The previous prime is 10404440393. The next prime is 10404440411.

It is a happy number.

10404440401 is nontrivially palindromic in base 10.

10404440401 is digitally balanced in base 3, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 6938057025 + 3466383376 = 83295^2 + 58876^2 .

It is a cyclic number.

It is not a de Polignac number, because 10404440401 - 23 = 10404440393 is a prime.

It is a super-2 number, since 2×104044404012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10404440411) 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, 90256 + ... + 170161.

It is an arithmetic number, because the mean of its divisors is an integer number (2601185193).

Almost surely, 210404440401 is an apocalyptic number.

It is an amenable number.

10404440401 is a deficient number, since it is larger than the sum of its proper divisors (300371).

10404440401 is an equidigital number, since it uses as much as digits as its factorization.

10404440401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300370.

The product of its (nonzero) digits is 1024, while the sum is 22.

The spelling of 10404440401 in words is "ten billion, four hundred four million, four hundred forty thousand, four hundred one".

Divisors: 1 39953 260417 10404440401