1214432340 has 48 divisors (see below), whose sum is σ = 3709540800. Its totient is φ = 294407680.

The previous prime is 1214432339. The next prime is 1214432363. The reversal of 1214432340 is 432344121.

It is a self number, because there is not a number n which added to its sum of digits gives 1214432340.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 919365 + ... + 920684.

It is an arithmetic number, because the mean of its divisors is an integer number (77282100).

Almost surely, 2^1214432340 is an apocalyptic number.

1214432340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214432340 is an abundant number, since it is smaller than the sum of its proper divisors (2495108460).

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

1214432340 is a wasteful number, since it uses less digits than its factorization.

1214432340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840072 (or 1840070 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1214432340 is about 34848.7064322336. The cubic root of 1214432340 is about 1066.9017838916.

Adding to 1214432340 its reverse (432344121), we get a palindrome (1646776461).

The spelling of 1214432340 in words is "one billion, two hundred fourteen million, four hundred thirty-two thousand, three hundred forty".