1318482723940 has 12 divisors (see below), whose sum is σ = 2768813720316. Its totient is φ = 527393089568.

The previous prime is 1318482723937. The next prime is 1318482723973. The reversal of 1318482723940 is 493272848131.

It can be written as a sum of positive squares in 2 ways, for example, as 802912770916 + 515569953024 = 896054^2 + 718032^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32962068079 + ... + 32962068118.

It is an arithmetic number, because the mean of its divisors is an integer number (230734476693).

Almost surely, 2^{1318482723940} is an apocalyptic number.

1318482723940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1318482723940 is an abundant number, since it is smaller than the sum of its proper divisors (1450330996376).

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

1318482723940 is a wasteful number, since it uses less digits than its factorization.

1318482723940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65924136206 (or 65924136204 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 1318482723940 in words is "one trillion, three hundred eighteen billion, four hundred eighty-two million, seven hundred twenty-three thousand, nine hundred forty".