315300343440 has 80 divisors (see below), whose sum is σ = 977531059008. Its totient is φ = 84071490048.

The previous prime is 315300343427. The next prime is 315300343441. The reversal of 315300343440 is 44343003513.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 315300343398 and 315300343407.

It is not an unprimeable number, because it can be changed into a prime (315300343441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2485227 + ... + 2609013.

Almost surely, 2^315300343440 is an apocalyptic number.

315300343440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315300343440 is an abundant number, since it is smaller than the sum of its proper divisors (662230715568).

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

315300343440 is a wasteful number, since it uses less digits than its factorization.

315300343440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134416 (or 134410 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 315300343440 its reverse (44343003513), we get a palindrome (359643346953).

The spelling of 315300343440 in words is "three hundred fifteen billion, three hundred million, three hundred forty-three thousand, four hundred forty".