2345755490 has 24 divisors (see below), whose sum is σ = 4572144468. Its totient is φ = 866124480.

The previous prime is 2345755483. The next prime is 2345755499. The reversal of 2345755490 is 945575432.

It is a Cunningham number, because it is equal to 48433²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 844425481 + 1501330009 = 29059^2 + 38747^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2345755499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 692321 + ... + 695700.

Almost surely, 2^2345755490 is an apocalyptic number.

2345755490 is a deficient number, since it is larger than the sum of its proper divisors (2226388978).

2345755490 is a wasteful number, since it uses less digits than its factorization.

2345755490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388054 (or 1388041 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 44.

The square root of 2345755490 is about 48433.0000103235. Note that the first 4 decimals coincide. The cubic root of 2345755490 is about 1328.7019747786.

The spelling of 2345755490 in words is "two billion, three hundred forty-five million, seven hundred fifty-five thousand, four hundred ninety".