2345538240 has 84 divisors (see below), whose sum is σ = 8067684144. Its totient is φ = 625476096.

The previous prime is 2345538199. The next prime is 2345538259. The reversal of 2345538240 is 428355432.

2345538240 is a `hidden beast` number, since 23 + 4 + 553 + 82 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2345538195 and 2345538204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 404332 + ... + 410091.

Almost surely, 2^2345538240 is an apocalyptic number.

2345538240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2345538240 is an abundant number, since it is smaller than the sum of its proper divisors (5722145904).

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

2345538240 is a wasteful number, since it uses less digits than its factorization.

2345538240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814446 (or 814433 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 2345538240 is about 48430.7571693857. The cubic root of 2345538240 is about 1328.6609546727.

The spelling of 2345538240 in words is "two billion, three hundred forty-five million, five hundred thirty-eight thousand, two hundred forty".