1214304432 has 80 divisors (see below), whose sum is σ = 3447315072. Its totient is φ = 365263360.

The previous prime is 1214304397. The next prime is 1214304433. The reversal of 1214304432 is 2344034121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1214304433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63943 + ... + 80729.

Almost surely, 2^1214304432 is an apocalyptic number.

1214304432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214304432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1723657536).

1214304432 is an abundant number, since it is smaller than the sum of its proper divisors (2233010640).

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

1214304432 is a wasteful number, since it uses less digits than its factorization.

1214304432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16946 (or 16940 counting only the distinct ones).

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

The square root of 1214304432 is about 34846.8711938389. The cubic root of 1214304432 is about 1066.8643260439.

Adding to 1214304432 its reverse (2344034121), we get a palindrome (3558338553).

The spelling of 1214304432 in words is "one billion, two hundred fourteen million, three hundred four thousand, four hundred thirty-two".