1340321010 has 48 divisors (see below), whose sum is σ = 3741961536. Its totient is φ = 306358752.

The previous prime is 1340320981. The next prime is 1340321023. The reversal of 1340321010 is 101230431.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 454422 + ... + 457361.

It is an arithmetic number, because the mean of its divisors is an integer number (77957532).

Almost surely, 2^1340321010 is an apocalyptic number.

1340321010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340321010 is an abundant number, since it is smaller than the sum of its proper divisors (2401640526).

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

1340321010 is a wasteful number, since it uses less digits than its factorization.

1340321010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911807 (or 911800 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1340321010 is about 36610.3948353470. The cubic root of 1340321010 is about 1102.5618005166.

Adding to 1340321010 its reverse (101230431), we get a palindrome (1441551441).

The spelling of 1340321010 in words is "one billion, three hundred forty million, three hundred twenty-one thousand, ten".