315501440452 has 24 divisors (see below), whose sum is σ = 607846821120. Its totient is φ = 142094057760.

The previous prime is 315501440407. The next prime is 315501440473. The reversal of 315501440452 is 254044105513.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32887348 + ... + 32896939.

It is an arithmetic number, because the mean of its divisors is an integer number (25326950880).

Almost surely, 2^315501440452 is an apocalyptic number.

It is an amenable number.

315501440452 is a deficient number, since it is larger than the sum of its proper divisors (292345380668).

315501440452 is a wasteful number, since it uses less digits than its factorization.

315501440452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65784411 (or 65784409 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 315501440452 its reverse (254044105513), we get a palindrome (569545545965).

The spelling of 315501440452 in words is "three hundred fifteen billion, five hundred one million, four hundred forty thousand, four hundred fifty-two".