318943743456 has 48 divisors (see below), whose sum is σ = 901629432144. Its totient is φ = 98136536064.

The previous prime is 318943743449. The next prime is 318943743457. The reversal of 318943743456 is 654347349813.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×318943743456³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 318943743396 and 318943743405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318943743457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127780701 + ... + 127783196.

It is an arithmetic number, because the mean of its divisors is an integer number (18783946503).

Almost surely, 2^318943743456 is an apocalyptic number.

It is an amenable number.

318943743456 is an abundant number, since it is smaller than the sum of its proper divisors (582685688688).

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

318943743456 is a wasteful number, since it uses less digits than its factorization.

318943743456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255563923 (or 255563915 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 57.

The spelling of 318943743456 in words is "three hundred eighteen billion, nine hundred forty-three million, seven hundred forty-three thousand, four hundred fifty-six".