1340216500 has 48 divisors (see below), whose sum is σ = 3345189120. Its totient is φ = 459501600.

The previous prime is 1340216483. The next prime is 1340216513. The reversal of 1340216500 is 56120431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187960 + ... + 194959.

It is an arithmetic number, because the mean of its divisors is an integer number (69691440).

Almost surely, 2^1340216500 is an apocalyptic number.

1340216500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340216500 is an abundant number, since it is smaller than the sum of its proper divisors (2004972620).

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

1340216500 is a wasteful number, since it uses less digits than its factorization.

1340216500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382945 (or 382933 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1340216500 is about 36608.9674806597. The cubic root of 1340216500 is about 1102.5331427726.

Adding to 1340216500 its reverse (56120431), we get a palindrome (1396336931).

The spelling of 1340216500 in words is "one billion, three hundred forty million, two hundred sixteen thousand, five hundred".