1340442300 has 72 divisors (see below), whose sum is σ = 4046990976. Its totient is φ = 341908160.

The previous prime is 1340442289. The next prime is 1340442317. The reversal of 1340442300 is 32440431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90234 + ... + 104033.

It is an arithmetic number, because the mean of its divisors is an integer number (56208208).

Almost surely, 2^1340442300 is an apocalyptic number.

1340442300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340442300 is an abundant number, since it is smaller than the sum of its proper divisors (2706548676).

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

1340442300 is a wasteful number, since it uses less digits than its factorization.

1340442300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194307 (or 194300 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1340442300 is about 36612.0512946216. The cubic root of 1340442300 is about 1102.5950576458.

Adding to 1340442300 its reverse (32440431), we get a palindrome (1372882731).

The spelling of 1340442300 in words is "one billion, three hundred forty million, four hundred forty-two thousand, three hundred".