318748313117490 has 32 divisors (see below), whose sum is σ = 765002650075776. Its totient is φ = 84998805876480.

The previous prime is 318748313117407. The next prime is 318748313117497. The reversal of 318748313117490 is 94711313847813.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (318748313117497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43030551 + ... + 49891130.

It is an arithmetic number, because the mean of its divisors is an integer number (23906332814868).

Almost surely, 2^{318748313117490} is an apocalyptic number.

318748313117490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

318748313117490 is an abundant number, since it is smaller than the sum of its proper divisors (446254336958286).

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

318748313117490 is a wasteful number, since it uses less digits than its factorization.

318748313117490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93036034.

The product of its (nonzero) digits is 12192768, while the sum is 60.

The spelling of 318748313117490 in words is "three hundred eighteen trillion, seven hundred forty-eight billion, three hundred thirteen million, one hundred seventeen thousand, four hundred ninety".