2345845940 has 24 divisors (see below), whose sum is σ = 4927456800. Its totient is φ = 938113568.

The previous prime is 2345845939. The next prime is 2345845949. The reversal of 2345845940 is 495485432.

It is a junction number, because it is equal to n+sod(n) for n = 2345845891 and 2345845900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345845949) 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, 90479 + ... + 113481.

It is an arithmetic number, because the mean of its divisors is an integer number (205310700).

Almost surely, 2^2345845940 is an apocalyptic number.

2345845940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2345845940 is an abundant number, since it is smaller than the sum of its proper divisors (2581610860).

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

2345845940 is a wasteful number, since it uses less digits than its factorization.

2345845940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28111 (or 28109 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The square root of 2345845940 is about 48433.9337654913. The cubic root of 2345845940 is about 1328.7190523683.

The spelling of 2345845940 in words is "two billion, three hundred forty-five million, eight hundred forty-five thousand, nine hundred forty".