1214403340 has 24 divisors (see below), whose sum is σ = 2550996000. Its totient is φ = 485618688.

The previous prime is 1214403283. The next prime is 1214403389. The reversal of 1214403340 is 433044121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85036 + ... + 98284.

It is an arithmetic number, because the mean of its divisors is an integer number (106291500).

Almost surely, 2^1214403340 is an apocalyptic number.

1214403340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214403340 is an abundant number, since it is smaller than the sum of its proper divisors (1336592660).

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

1214403340 is a wasteful number, since it uses less digits than its factorization.

1214403340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17841 (or 17839 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1214403340 is about 34848.2903454388. The cubic root of 1214403340 is about 1066.8932914744.

Adding to 1214403340 its reverse (433044121), we get a palindrome (1647447461).

The spelling of 1214403340 in words is "one billion, two hundred fourteen million, four hundred three thousand, three hundred forty".