1316943766940 has 48 divisors (see below), whose sum is σ = 2785143614400. Its totient is φ = 523058276352.

The previous prime is 1316943766939. The next prime is 1316943766991. The reversal of 1316943766940 is 496673496131.

It is a self number, because there is not a number n which added to its sum of digits gives 1316943766940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2890646 + ... + 3315074.

It is an arithmetic number, because the mean of its divisors is an integer number (58023825300).

Almost surely, 2^{1316943766940} is an apocalyptic number.

1316943766940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316943766940 is an abundant number, since it is smaller than the sum of its proper divisors (1468199847460).

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

1316943766940 is a wasteful number, since it uses less digits than its factorization.

1316943766940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425534 (or 425532 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 59.

The spelling of 1316943766940 in words is "one trillion, three hundred sixteen billion, nine hundred forty-three million, seven hundred sixty-six thousand, nine hundred forty".