315345244322240 has 112 divisors (see below), whose sum is σ = 819831613023360. Its totient is φ = 114579915310080.

The previous prime is 315345244322219. The next prime is 315345244322257. The reversal of 315345244322240 is 42223442543513.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 315345244322191 and 315345244322200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31146842 + ... + 40010201.

It is an arithmetic number, because the mean of its divisors is an integer number (7319925116280).

Almost surely, 2^{315345244322240} is an apocalyptic number.

It is an amenable number.

315345244322240 is an abundant number, since it is smaller than the sum of its proper divisors (504486368701120).

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

315345244322240 is a wasteful number, since it uses less digits than its factorization.

315345244322240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71158330 (or 71158320 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 44.

Adding to 315345244322240 its reverse (42223442543513), we get a palindrome (357568686865753).

The spelling of 315345244322240 in words is "three hundred fifteen trillion, three hundred forty-five billion, two hundred forty-four million, three hundred twenty-two thousand, two hundred forty".