1432324240421 has 32 divisors (see below), whose sum is σ = 1513102291200. Its totient is φ = 1355545329600.

The previous prime is 1432324240393. The next prime is 1432324240439. The reversal of 1432324240421 is 1240424232341.

It is a happy number.

It is not a de Polignac number, because 1432324240421 - 2³⁰ = 1431250498597 is a prime.

It is a super-2 number, since 2×1432324240421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432324246421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309957491 + ... + 309962111.

It is an arithmetic number, because the mean of its divisors is an integer number (47284446600).

Almost surely, 2^{1432324240421} is an apocalyptic number.

It is an amenable number.

1432324240421 is a deficient number, since it is larger than the sum of its proper divisors (80778050779).

1432324240421 is an frugal number, since it uses more digits than its factorization.

1432324240421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4958 (or 4900 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 1432324240421 its reverse (1240424232341), we get a palindrome (2672748472762).

The spelling of 1432324240421 in words is "one trillion, four hundred thirty-two billion, three hundred twenty-four million, two hundred forty thousand, four hundred twenty-one".