1350440656512 has 32 divisors (see below), whose sum is σ = 3587107994880. Its totient is φ = 450146885376.

The previous prime is 1350440656507. The next prime is 1350440656529. The reversal of 1350440656512 is 2156560440531.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1350440656512² (a number of 25 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1758385888 + ... + 1758386655.

It is an arithmetic number, because the mean of its divisors is an integer number (112097124840).

Almost surely, 2^{1350440656512} is an apocalyptic number.

1350440656512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1350440656512 is an abundant number, since it is smaller than the sum of its proper divisors (2236667338368).

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

1350440656512 is an equidigital number, since it uses as much as digits as its factorization.

1350440656512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3516772560 (or 3516772548 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 1350440656512 in words is "one trillion, three hundred fifty billion, four hundred forty million, six hundred fifty-six thousand, five hundred twelve".