1000242040 has 64 divisors (see below), whose sum is σ = 2576525760. Its totient is φ = 342343680.

The previous prime is 1000242037. The next prime is 1000242059. The reversal of 1000242040 is 402420001.

It is a self number, because there is not a number n which added to its sum of digits gives 1000242040.

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, 176694 + ... + 182266.

It is an arithmetic number, because the mean of its divisors is an integer number (40258215).

Almost surely, 2^1000242040 is an apocalyptic number.

1000242040 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 1000242040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1288262880).

1000242040 is an abundant number, since it is smaller than the sum of its proper divisors (1576283720).

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

1000242040 is a wasteful number, since it uses less digits than its factorization.

1000242040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232 (or 6228 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1000242040 is about 31626.6033585651. The cubic root of 1000242040 is about 1000.0806734916.

Adding to 1000242040 its reverse (402420001), we get a palindrome (1402662041).

The spelling of 1000242040 in words is "one billion, two hundred forty-two thousand, forty".