10444400656 has 10 divisors (see below), whose sum is σ = 20236026302. Its totient is φ = 5222200320.

The previous prime is 10444400633. The next prime is 10444400669. The reversal of 10444400656 is 65600444401.

It can be written as a sum of positive squares in only one way, i.e., 8186630400 + 2257770256 = 90480^2 + 47516^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326387505 + ... + 326387536.

Almost surely, 2^10444400656 is an apocalyptic number.

10444400656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10444400656 is a deficient number, since it is larger than the sum of its proper divisors (9791625646).

10444400656 is an equidigital number, since it uses as much as digits as its factorization.

10444400656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652775049 (or 652775043 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 10444400656 in words is "ten billion, four hundred forty-four million, four hundred thousand, six hundred fifty-six".