1420432432 has 20 divisors (see below), whose sum is σ = 2752687656. Its totient is φ = 710061440.

The previous prime is 1420432423. The next prime is 1420432439. The reversal of 1420432432 is 2342340241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1420432397 and 1420432406.

It is not an unprimeable number, because it can be changed into a prime (1420432439) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 113763 + ... + 125629.

Almost surely, 2^1420432432 is an apocalyptic number.

It is an amenable number.

1420432432 is a deficient number, since it is larger than the sum of its proper divisors (1332255224).

1420432432 is a wasteful number, since it uses less digits than its factorization.

1420432432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19356 (or 19350 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1420432432 is about 37688.6247029525. The cubic root of 1420432432 is about 1124.1049491887.

Adding to 1420432432 its reverse (2342340241), we get a palindrome (3762772673).

It can be divided in two parts, 1420432 and 432, that added together give a square (1420864 = 1192²).

The spelling of 1420432432 in words is "one billion, four hundred twenty million, four hundred thirty-two thousand, four hundred thirty-two".