1340241330 has 16 divisors (see below), whose sum is σ = 3216579264. Its totient is φ = 357397680.

The previous prime is 1340241311. The next prime is 1340241341. The reversal of 1340241330 is 331420431.

It is a junction number, because it is equal to n+sod(n) for n = 1340241297 and 1340241306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22337326 + ... + 22337385.

It is an arithmetic number, because the mean of its divisors is an integer number (201036204).

Almost surely, 2^1340241330 is an apocalyptic number.

1340241330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340241330 is an abundant number, since it is smaller than the sum of its proper divisors (1876337934).

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

1340241330 is a wasteful number, since it uses less digits than its factorization.

1340241330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44674721.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1340241330 is about 36609.3066036493. The cubic root of 1340241330 is about 1102.5399515554.

Adding to 1340241330 its reverse (331420431), we get a palindrome (1671661761).

The spelling of 1340241330 in words is "one billion, three hundred forty million, two hundred forty-one thousand, three hundred thirty".