1432401331420 has 24 divisors (see below), whose sum is σ = 3016564178544. Its totient is φ = 571337412096.

The previous prime is 1432401331397. The next prime is 1432401331423. The reversal of 1432401331420 is 241331042341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432401331423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101437794 + ... + 101451913.

It is an arithmetic number, because the mean of its divisors is an integer number (125690174106).

Almost surely, 2^{1432401331420} is an apocalyptic number.

1432401331420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1432401331420 is an abundant number, since it is smaller than the sum of its proper divisors (1584162847124).

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

1432401331420 is a wasteful number, since it uses less digits than its factorization.

1432401331420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202890069 (or 202890067 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1432401331420 its reverse (241331042341), we get a palindrome (1673732373761).

The spelling of 1432401331420 in words is "one trillion, four hundred thirty-two billion, four hundred one million, three hundred thirty-one thousand, four hundred twenty".