1432421040 has 80 divisors (see below), whose sum is σ = 4444144128. Its totient is φ = 381666048.

The previous prime is 1432421009. The next prime is 1432421047. The reversal of 1432421040 is 401242341.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1432420998 and 1432421016.

It is not an unprimeable number, because it can be changed into a prime (1432421047) 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 15 ways as a sum of consecutive naturals, for example, 562009 + ... + 564551.

Almost surely, 2^1432421040 is an apocalyptic number.

1432421040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1432421040 is an abundant number, since it is smaller than the sum of its proper divisors (3011723088).

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

1432421040 is a wasteful number, since it uses less digits than its factorization.

1432421040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906 (or 4900 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1432421040 is about 37847.3386118496. The cubic root of 1432421040 is about 1127.2586169993.

Adding to 1432421040 its reverse (401242341), we get a palindrome (1833663381).

The spelling of 1432421040 in words is "one billion, four hundred thirty-two million, four hundred twenty-one thousand, forty".