1340404210 has 16 divisors (see below), whose sum is σ = 2539713600. Its totient is φ = 507942576.

The previous prime is 1340404207. The next prime is 1340404237. The reversal of 1340404210 is 124040431.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 7 ways as a sum of consecutive naturals, for example, 3527190 + ... + 3527569.

It is an arithmetic number, because the mean of its divisors is an integer number (158732100).

Almost surely, 2^1340404210 is an apocalyptic number.

1340404210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340404210 is a deficient number, since it is larger than the sum of its proper divisors (1199309390).

1340404210 is a wasteful number, since it uses less digits than its factorization.

1340404210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7054785.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1340404210 is about 36611.5311070160. The cubic root of 1340404210 is about 1102.5846137688.

Adding to 1340404210 its reverse (124040431), we get a palindrome (1464444641).

The spelling of 1340404210 in words is "one billion, three hundred forty million, four hundred four thousand, two hundred ten".