315790511340 has 96 divisors (see below), whose sum is σ = 905958789120. Its totient is φ = 82144935936.

The previous prime is 315790511299. The next prime is 315790511347. The reversal of 315790511340 is 43115097513.

It is not an unprimeable number, because it can be changed into a prime (315790511347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1904437 + ... + 2063603.

It is an arithmetic number, because the mean of its divisors is an integer number (9437070720).

Almost surely, 2^315790511340 is an apocalyptic number.

315790511340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315790511340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452979394560).

315790511340 is an abundant number, since it is smaller than the sum of its proper divisors (590168277780).

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

315790511340 is a wasteful number, since it uses less digits than its factorization.

315790511340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159991 (or 159989 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The spelling of 315790511340 in words is "three hundred fifteen billion, seven hundred ninety million, five hundred eleven thousand, three hundred forty".