340541525012440 has 16 divisors (see below), whose sum is σ = 766218431278080. Its totient is φ = 136216610004960.

The previous prime is 340541525012389. The next prime is 340541525012443. The reversal of 340541525012440 is 44210525145043.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 8513538125311 = 340541525012440 / (3 + 4 + 0 + 5 + 4 + 1 + 5 + 2 + 5 + 0 + 1 + 2 + 4 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 340541525012393 and 340541525012402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340541525012443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4256769062616 + ... + 4256769062695.

It is an arithmetic number, because the mean of its divisors is an integer number (47888651954880).

Almost surely, 2^{340541525012440} is an apocalyptic number.

It is an amenable number.

340541525012440 is an abundant number, since it is smaller than the sum of its proper divisors (425676906265640).

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

340541525012440 is a wasteful number, since it uses less digits than its factorization.

340541525012440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8513538125322 (or 8513538125318 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

The spelling of 340541525012440 in words is "three hundred forty trillion, five hundred forty-one billion, five hundred twenty-five million, twelve thousand, four hundred forty".