2351530140 has 48 divisors (see below), whose sum is σ = 6595233792. Its totient is φ = 626031936.

The previous prime is 2351530127. The next prime is 2351530157. The reversal of 2351530140 is 410351532.

It is a self number, because there is not a number n which added to its sum of digits gives 2351530140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4137 + ... + 68703.

It is an arithmetic number, because the mean of its divisors is an integer number (137400704).

Almost surely, 2^2351530140 is an apocalyptic number.

2351530140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2351530140 is an abundant number, since it is smaller than the sum of its proper divisors (4243703652).

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

2351530140 is a wasteful number, since it uses less digits than its factorization.

2351530140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65186 (or 65184 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2351530140 is about 48492.5781950187. The cubic root of 2351530140 is about 1329.7913894456.

Adding to 2351530140 its reverse (410351532), we get a palindrome (2761881672).

It can be divided in two parts, 235 and 1530140, that added together give a triangular number (1530375 = T₁₇₄₉).

The spelling of 2351530140 in words is "two billion, three hundred fifty-one million, five hundred thirty thousand, one hundred forty".