1432040402340 has 144 divisors (see below), whose sum is σ = 4514603638272. Its totient is φ = 381041231616.

The previous prime is 1432040402327. The next prime is 1432040402369. The reversal of 1432040402340 is 432040402341.

It is a happy number.

1432040402340 is a `hidden beast` number, since 1 + 4 + 3 + 20 + 404 + 0 + 234 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1898637 + ... + 2543403.

Almost surely, 2^{1432040402340} is an apocalyptic number.

1432040402340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1432040402340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2257301819136).

1432040402340 is an abundant number, since it is smaller than the sum of its proper divisors (3082563235932).

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

1432040402340 is a wasteful number, since it uses less digits than its factorization.

1432040402340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645248 (or 645234 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 1432040402340 its reverse (432040402341), we get a palindrome (1864080804681).

Subtracting from 1432040402340 its reverse (432040402341), we obtain a palindrome (999999999999).

The spelling of 1432040402340 in words is "one trillion, four hundred thirty-two billion, forty million, four hundred two thousand, three hundred forty".