10240645544144 has 40 divisors (see below), whose sum is σ = 20306267315712. Its totient is φ = 5001184955520.

The previous prime is 10240645544123. The next prime is 10240645544149. The reversal of 10240645544144 is 44144554604201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10240645544095 and 10240645544104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10240645544149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26887652 + ... + 27265859.

Almost surely, 2^{10240645544144} is an apocalyptic number.

It is an amenable number.

10240645544144 is a deficient number, since it is larger than the sum of its proper divisors (10065621771568).

10240645544144 is a wasteful number, since it uses less digits than its factorization.

10240645544144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54153795 (or 54153789 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 44.

The spelling of 10240645544144 in words is "ten trillion, two hundred forty billion, six hundred forty-five million, five hundred forty-four thousand, one hundred forty-four".