1421424432 has 60 divisors (see below), whose sum is σ = 3986379280. Its totient is φ = 472811904.

The previous prime is 1421424427. The next prime is 1421424439. The reversal of 1421424432 is 2344241241.

1421424432 is a `hidden beast` number, since 1 + 4 + 214 + 2 + 443 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1421424396 and 1421424405.

It is not an unprimeable number, because it can be changed into a prime (1421424439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59994 + ... + 80262.

Almost surely, 2^1421424432 is an apocalyptic number.

1421424432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1421424432 is an abundant number, since it is smaller than the sum of its proper divisors (2564954848).

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

1421424432 is a wasteful number, since it uses less digits than its factorization.

1421424432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20770 (or 20761 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 1421424432 is about 37701.7828756148. The cubic root of 1421424432 is about 1124.3665720097.

Adding to 1421424432 its reverse (2344241241), we get a palindrome (3765665673).

The spelling of 1421424432 in words is "one billion, four hundred twenty-one million, four hundred twenty-four thousand, four hundred thirty-two".