1320422014640 has 80 divisors (see below), whose sum is σ = 3090989306880. Its totient is φ = 524565000960.

The previous prime is 1320422014627. The next prime is 1320422014651. The reversal of 1320422014640 is 464102240231.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8003867 + ... + 8167173.

It is an arithmetic number, because the mean of its divisors is an integer number (38637366336).

Almost surely, 2^{1320422014640} is an apocalyptic number.

1320422014640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320422014640 is an abundant number, since it is smaller than the sum of its proper divisors (1770567292240).

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

1320422014640 is a wasteful number, since it uses less digits than its factorization.

1320422014640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164010 (or 164004 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1320422014640 its reverse (464102240231), we get a palindrome (1784524254871).

The spelling of 1320422014640 in words is "one trillion, three hundred twenty billion, four hundred twenty-two million, fourteen thousand, six hundred forty".