340040432532 has 24 divisors (see below), whose sum is σ = 794484191872. Its totient is φ = 113195880000.

The previous prime is 340040432531. The next prime is 340040432551. The reversal of 340040432532 is 235234040043.

It is a self number, because there is not a number n which added to its sum of digits gives 340040432532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340040432531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18856969 + ... + 18874992.

Almost surely, 2^340040432532 is an apocalyptic number.

It is an amenable number.

340040432532 is an abundant number, since it is smaller than the sum of its proper divisors (454443759340).

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

340040432532 is a wasteful number, since it uses less digits than its factorization.

340040432532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37732719 (or 37732717 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 340040432532 its reverse (235234040043), we get a palindrome (575274472575).

The spelling of 340040432532 in words is "three hundred forty billion, forty million, four hundred thirty-two thousand, five hundred thirty-two".