10144140402 has 64 divisors (see below), whose sum is σ = 22421629440. Its totient is φ = 3034080000.

The previous prime is 10144140379. The next prime is 10144140403. The reversal of 10144140402 is 20404144101.

It is not an unprimeable number, because it can be changed into a prime (10144140403) 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, 1869249 + ... + 1874667.

It is an arithmetic number, because the mean of its divisors is an integer number (350337960).

Almost surely, 2^10144140402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10144140402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11210814720).

10144140402 is an abundant number, since it is smaller than the sum of its proper divisors (12277489038).

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

10144140402 is a wasteful number, since it uses less digits than its factorization.

10144140402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5799.

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

Adding to 10144140402 its reverse (20404144101), we get a palindrome (30548284503).

The spelling of 10144140402 in words is "ten billion, one hundred forty-four million, one hundred forty thousand, four hundred two".