1002440240340 has 96 divisors (see below), whose sum is σ = 3499427764224. Its totient is φ = 208299269760.

The previous prime is 1002440240323. The next prime is 1002440240341. The reversal of 1002440240340 is 430420442001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002440240340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002440240341) 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, 108484584 + ... + 108493823.

It is an arithmetic number, because the mean of its divisors is an integer number (36452372544).

Almost surely, 2^{1002440240340} is an apocalyptic number.

1002440240340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002440240340 is an abundant number, since it is smaller than the sum of its proper divisors (2496987523884).

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

1002440240340 is a wasteful number, since it uses less digits than its factorization.

1002440240340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216978437 (or 216978435 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 1002440240340 its reverse (430420442001), we get a palindrome (1432860682341).

The spelling of 1002440240340 in words is "one trillion, two billion, four hundred forty million, two hundred forty thousand, three hundred forty".