1001340340 has 144 divisors (see below), whose sum is σ = 2845374336. Its totient is φ = 288034560.

The previous prime is 1001340317. The next prime is 1001340349. The reversal of 1001340340 is 430431001.

It is a super-2 number, since 2×1001340340² = 2005364953022631200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001340349) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 217947 + ... + 222493.

It is an arithmetic number, because the mean of its divisors is an integer number (19759544).

Almost surely, 2^1001340340 is an apocalyptic number.

1001340340 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 1001340340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422687168).

1001340340 is an abundant number, since it is smaller than the sum of its proper divisors (1844033996).

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

1001340340 is a wasteful number, since it uses less digits than its factorization.

1001340340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4598 (or 4585 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1001340340 is about 31643.9621412996. The cubic root of 1001340340 is about 1000.4465805361.

Adding to 1001340340 its reverse (430431001), we get a palindrome (1431771341).

The spelling of 1001340340 in words is "one billion, one million, three hundred forty thousand, three hundred forty".