340653012500 has 72 divisors (see below), whose sum is σ = 788962487544. Its totient is φ = 128245760000.

The previous prime is 340653012493. The next prime is 340653012509. The reversal of 340653012500 is 5210356043.

It can be written as a sum of positive squares in 12 ways, for example, as 331448912656 + 9204099844 = 575716^2 + 95938^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340653012509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 589037 + ... + 1014036.

It is an arithmetic number, because the mean of its divisors is an integer number (10957812327).

Almost surely, 2^340653012500 is an apocalyptic number.

It is an amenable number.

340653012500 is an abundant number, since it is smaller than the sum of its proper divisors (448309475044).

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

340653012500 is a wasteful number, since it uses less digits than its factorization.

340653012500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603119 (or 1603097 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 340653012500 its reverse (5210356043), we get a palindrome (345863368543).

The spelling of 340653012500 in words is "three hundred forty billion, six hundred fifty-three million, twelve thousand, five hundred".