2318205040 has 40 divisors (see below), whose sum is σ = 5409060048. Its totient is φ = 923973120.

The previous prime is 2318205013. The next prime is 2318205073. The reversal of 2318205040 is 405028132.

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

It is a junction number, because it is equal to n+sod(n) for n = 2318204996 and 2318205014.

It is a congruent number.

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, 29082 + ... + 74041.

Almost surely, 2^2318205040 is an apocalyptic number.

2318205040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2318205040 is an abundant number, since it is smaller than the sum of its proper divisors (3090855008).

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

2318205040 is a wasteful number, since it uses less digits than its factorization.

2318205040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103417 (or 103411 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2318205040 is about 48147.7417954363. The cubic root of 2318205040 is about 1323.4796925993.

The spelling of 2318205040 in words is "two billion, three hundred eighteen million, two hundred five thousand, forty".