1001352340240 has 80 divisors (see below), whose sum is σ = 2660918940288. Its totient is φ = 343297225728.

The previous prime is 1001352340237. The next prime is 1001352340249. The reversal of 1001352340240 is 420432531001.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1001352340249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9401524 + ... + 9507436.

Almost surely, 2^{1001352340240} is an apocalyptic number.

1001352340240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001352340240 is an abundant number, since it is smaller than the sum of its proper divisors (1659566600048).

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

1001352340240 is a wasteful number, since it uses less digits than its factorization.

1001352340240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122816 (or 122810 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 1001352340240 its reverse (420432531001), we get a palindrome (1421784871241).

The spelling of 1001352340240 in words is "one trillion, one billion, three hundred fifty-two million, three hundred forty thousand, two hundred forty".