10402144140 has 24 divisors (see below), whose sum is σ = 29126003760. Its totient is φ = 2773905088.

The previous prime is 10402144099. The next prime is 10402144157. The reversal of 10402144140 is 4144120401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86684475 + ... + 86684594.

It is an arithmetic number, because the mean of its divisors is an integer number (1213583490).

Almost surely, 2^10402144140 is an apocalyptic number.

10402144140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10402144140 is an abundant number, since it is smaller than the sum of its proper divisors (18723859620).

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

10402144140 is a wasteful number, since it uses less digits than its factorization.

10402144140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173369081 (or 173369079 counting only the distinct ones).

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

Adding to 10402144140 its reverse (4144120401), we get a palindrome (14546264541).

The spelling of 10402144140 in words is "ten billion, four hundred two million, one hundred forty-four thousand, one hundred forty".