1316040356440 has 16 divisors (see below), whose sum is σ = 2961090802080. Its totient is φ = 526416142560.

The previous prime is 1316040356377. The next prime is 1316040356441. The reversal of 1316040356440 is 446530406131.

It is a self number, because there is not a number n which added to its sum of digits gives 1316040356440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316040356441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16450504416 + ... + 16450504495.

It is an arithmetic number, because the mean of its divisors is an integer number (185068175130).

Almost surely, 2^{1316040356440} is an apocalyptic number.

1316040356440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316040356440 is an abundant number, since it is smaller than the sum of its proper divisors (1645050445640).

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

1316040356440 is a wasteful number, since it uses less digits than its factorization.

1316040356440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32901008922 (or 32901008918 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 1316040356440 in words is "one trillion, three hundred sixteen billion, forty million, three hundred fifty-six thousand, four hundred forty".