340537810831540 has 36 divisors (see below), whose sum is σ = 831885223605156. Its totient is φ = 116755820856192.

The previous prime is 340537810831529. The next prime is 340537810831577. The reversal of 340537810831540 is 45138018735043.

It can be written as a sum of positive squares in 2 ways, for example, as 84730478567056 + 255807332264484 = 9204916^2 + 15993978^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173743780057 + ... + 173743782016.

It is an arithmetic number, because the mean of its divisors is an integer number (23107922877921).

Almost surely, 2^{340537810831540} is an apocalyptic number.

It is an amenable number.

340537810831540 is an abundant number, since it is smaller than the sum of its proper divisors (491347412773616).

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

340537810831540 is a wasteful number, since it uses less digits than its factorization.

340537810831540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347487562096 (or 347487562087 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 340537810831540 in words is "three hundred forty trillion, five hundred thirty-seven billion, eight hundred ten million, eight hundred thirty-one thousand, five hundred forty".