10143320040 has 256 divisors, whose sum is σ = 39464755200. Its totient is φ = 2269064448.

The previous prime is 10143320039. The next prime is 10143320051. The reversal of 10143320040 is 4002334101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10143319995 and 10143320022.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 341047 + ... + 369593.

It is an arithmetic number, because the mean of its divisors is an integer number (154159200).

Almost surely, 2^10143320040 is an apocalyptic number.

10143320040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10143320040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19732377600).

10143320040 is an abundant number, since it is smaller than the sum of its proper divisors (29321435160).

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

10143320040 is a wasteful number, since it uses less digits than its factorization.

10143320040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28621 (or 28611 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10143320040 its reverse (4002334101), we get a palindrome (14145654141).

The spelling of 10143320040 in words is "ten billion, one hundred forty-three million, three hundred twenty thousand, forty".