1340445352506 has 64 divisors (see below), whose sum is σ = 3072305376000. Its totient is φ = 386232523776.

The previous prime is 1340445352487. The next prime is 1340445352517. The reversal of 1340445352506 is 6052535440431.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2276061 + ... + 2803808.

It is an arithmetic number, because the mean of its divisors is an integer number (48004771500).

Almost surely, 2^{1340445352506} is an apocalyptic number.

1340445352506 is an abundant number, since it is smaller than the sum of its proper divisors (1731860023494).

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

1340445352506 is a wasteful number, since it uses less digits than its factorization.

1340445352506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080103.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 1340445352506 in words is "one trillion, three hundred forty billion, four hundred forty-five million, three hundred fifty-two thousand, five hundred six".