1340415999985 has 8 divisors (see below), whose sum is σ = 1632506651136. Its totient is φ = 1056327832560.

The previous prime is 1340415999971. The next prime is 1340416000067. The reversal of 1340415999985 is 5899995140431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1340415999985 - 2¹¹ = 1340415997937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1340415999985.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2000620561 + ... + 2000621230.

It is an arithmetic number, because the mean of its divisors is an integer number (204063331392).

Almost surely, 2^{1340415999985} is an apocalyptic number.

It is an amenable number.

1340415999985 is a deficient number, since it is larger than the sum of its proper divisors (292090651151).

1340415999985 is an equidigital number, since it uses as much as digits as its factorization.

1340415999985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001241863.

The product of its (nonzero) digits is 62985600, while the sum is 67.

The spelling of 1340415999985 in words is "one trillion, three hundred forty billion, four hundred fifteen million, nine hundred ninety-nine thousand, nine hundred eighty-five".