313040005040 has 40 divisors (see below), whose sum is σ = 831792014880. Its totient is φ = 107328001536.

The previous prime is 313040005039. The next prime is 313040005043. The reversal of 313040005040 is 40500040313.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (313040005043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279499445 + ... + 279500564.

It is an arithmetic number, because the mean of its divisors is an integer number (20794800372).

Almost surely, 2^313040005040 is an apocalyptic number.

It is an amenable number.

313040005040 is an abundant number, since it is smaller than the sum of its proper divisors (518752009840).

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

313040005040 is a wasteful number, since it uses less digits than its factorization.

313040005040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559000029 (or 559000023 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 313040005040 its reverse (40500040313), we get a palindrome (353540045353).

The spelling of 313040005040 in words is "three hundred thirteen billion, forty million, five thousand, forty".