2345851872 has 432 divisors, whose sum is σ = 8810015760. Its totient is φ = 585252864.

The previous prime is 2345851867. The next prime is 2345851873. The reversal of 2345851872 is 2781585432.

2345851872 is a `hidden beast` number, since 23 + 45 + 8 + 518 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345851873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3485328 + ... + 3486000.

It is an arithmetic number, because the mean of its divisors is an integer number (20393555).

Almost surely, 2^2345851872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2345851872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4405007880).

2345851872 is an abundant number, since it is smaller than the sum of its proper divisors (6464163888).

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

2345851872 is a wasteful number, since it uses less digits than its factorization.

2345851872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735 (or 717 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 2345851872 is about 48433.9950035097. The cubic root of 2345851872 is about 1328.7201723558.

The spelling of 2345851872 in words is "two billion, three hundred forty-five million, eight hundred fifty-one thousand, eight hundred seventy-two".