10303242040 has 128 divisors (see below), whose sum is σ = 29196034560. Its totient is φ = 3184925184.

The previous prime is 10303241987. The next prime is 10303242073. The reversal of 10303242040 is 4024230301.

It is a junction number, because it is equal to n+sod(n) for n = 10303241999 and 10303242017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123607 + ... + 189433.

It is an arithmetic number, because the mean of its divisors is an integer number (228094020).

Almost surely, 2^10303242040 is an apocalyptic number.

10303242040 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 10303242040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14598017280).

10303242040 is an abundant number, since it is smaller than the sum of its proper divisors (18892792520).

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

10303242040 is a wasteful number, since it uses less digits than its factorization.

10303242040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65901 (or 65897 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 10303242040 its reverse (4024230301), we get a palindrome (14327472341).

The spelling of 10303242040 in words is "ten billion, three hundred three million, two hundred forty-two thousand, forty".