1340453434332 has 12 divisors (see below), whose sum is σ = 3127724680136. Its totient is φ = 446817811440.

The previous prime is 1340453434273. The next prime is 1340453434337. The reversal of 1340453434332 is 2334343540431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1340453434332² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340453434337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55852226419 + ... + 55852226442.

Almost surely, 2^{1340453434332} is an apocalyptic number.

1340453434332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1340453434332 is an abundant number, since it is smaller than the sum of its proper divisors (1787271245804).

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

1340453434332 is a wasteful number, since it uses less digits than its factorization.

1340453434332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111704452868 (or 111704452866 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 39.

Adding to 1340453434332 its reverse (2334343540431), we get a palindrome (3674796974763).

The spelling of 1340453434332 in words is "one trillion, three hundred forty billion, four hundred fifty-three million, four hundred thirty-four thousand, three hundred thirty-two".