1340442202 has 16 divisors (see below), whose sum is σ = 2204941824. Its totient is φ = 606100000.

The previous prime is 1340442193. The next prime is 1340442203. The reversal of 1340442202 is 2022440431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1340442203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155299 + ... + 163702.

It is an arithmetic number, because the mean of its divisors is an integer number (137808864).

Almost surely, 2^1340442202 is an apocalyptic number.

1340442202 is a deficient number, since it is larger than the sum of its proper divisors (864499622).

1340442202 is a wasteful number, since it uses less digits than its factorization.

1340442202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319205.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1340442202 is about 36612.0499562644. The cubic root of 1340442202 is about 1102.5950307755.

Adding to 1340442202 its reverse (2022440431), we get a palindrome (3362882633).

The spelling of 1340442202 in words is "one billion, three hundred forty million, four hundred forty-two thousand, two hundred two".