10120044144 has 80 divisors (see below), whose sum is σ = 30186345728. Its totient is φ = 2861623296.

The previous prime is 10120044139. The next prime is 10120044163. The reversal of 10120044144 is 44144002101.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 10120044144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122662 + ... + 187845.

Almost surely, 2^10120044144 is an apocalyptic number.

10120044144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10120044144 is an abundant number, since it is smaller than the sum of its proper divisors (20066301584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10120044144 is a wasteful number, since it uses less digits than its factorization.

10120044144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310622 (or 310616 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 10120044144 its reverse (44144002101), we get a palindrome (54264046245).

The spelling of 10120044144 in words is "ten billion, one hundred twenty million, forty-four thousand, one hundred forty-four".