10256942144449 has 32 divisors (see below), whose sum is σ = 14091827549184. Its totient is φ = 7206048118080.

The previous prime is 10256942144353. The next prime is 10256942144483. The reversal of 10256942144449 is 94444124965201.

It is a happy number.

It is not a de Polignac number, because 10256942144449 - 2⁹ = 10256942143937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10256942144449.

It is not an unprimeable number, because it can be changed into a prime (10256942114449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119104579 + ... + 119190664.

It is an arithmetic number, because the mean of its divisors is an integer number (440369610912).

Almost surely, 2^{10256942144449} is an apocalyptic number.

It is an amenable number.

10256942144449 is a deficient number, since it is larger than the sum of its proper divisors (3834885404735).

10256942144449 is a wasteful number, since it uses less digits than its factorization.

10256942144449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238295317.

The product of its (nonzero) digits is 9953280, while the sum is 55.

The spelling of 10256942144449 in words is "ten trillion, two hundred fifty-six billion, nine hundred forty-two million, one hundred forty-four thousand, four hundred forty-nine".