1316453544400 has 60 divisors (see below), whose sum is σ = 3167939740492. Its totient is φ = 525722296320.

The previous prime is 1316453544361. The next prime is 1316453544431. The reversal of 1316453544400 is 44453546131.

It can be written as a sum of positive squares in 6 ways, for example, as 27102378384 + 1289351166016 = 164628^2 + 1135496^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2439249 + ... + 2929648.

Almost surely, 2^{1316453544400} is an apocalyptic number.

1316453544400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316453544400 is an abundant number, since it is smaller than the sum of its proper divisors (1851486196092).

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

1316453544400 is a wasteful number, since it uses less digits than its factorization.

1316453544400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369528 (or 5369517 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 1316453544400 in words is "one trillion, three hundred sixteen billion, four hundred fifty-three million, five hundred forty-four thousand, four hundred".