1340204433432 has 16 divisors (see below), whose sum is σ = 3350511083640. Its totient is φ = 446734811136.

The previous prime is 1340204433431. The next prime is 1340204433433. The reversal of 1340204433432 is 2343344020431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1340204433431) and next prime (1340204433433).

It is a super-2 number, since 2×1340204433432² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1340204433393 and 1340204433402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340204433431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27920925673 + ... + 27920925720.

Almost surely, 2^{1340204433432} is an apocalyptic number.

1340204433432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1340204433432 is an abundant number, since it is smaller than the sum of its proper divisors (2010306650208).

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

1340204433432 is a wasteful number, since it uses less digits than its factorization.

1340204433432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55841851402 (or 55841851398 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 1340204433432 its reverse (2343344020431), we get a palindrome (3683548453863).

The spelling of 1340204433432 in words is "one trillion, three hundred forty billion, two hundred four million, four hundred thirty-three thousand, four hundred thirty-two".