1340243010 has 80 divisors (see below), whose sum is σ = 3610252800. Its totient is φ = 356755104.

The previous prime is 1340242927. The next prime is 1340243011. The reversal of 1340243010 is 103420431.

1340243010 is a `hidden beast` number, since 1 + 340 + 24 + 301 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1340243011) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 597471 + ... + 599709.

It is an arithmetic number, because the mean of its divisors is an integer number (45128160).

Almost surely, 2^1340243010 is an apocalyptic number.

1340243010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340243010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1805126400).

1340243010 is an abundant number, since it is smaller than the sum of its proper divisors (2270009790).

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

1340243010 is a wasteful number, since it uses less digits than its factorization.

1340243010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997 (or 2988 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1340243010 is about 36609.3295486274. The cubic root of 1340243010 is about 1102.5404122352.

Adding to 1340243010 its reverse (103420431), we get a palindrome (1443663441).

The spelling of 1340243010 in words is "one billion, three hundred forty million, two hundred forty-three thousand, ten".