2345681280 has 128 divisors (see below), whose sum is σ = 7492813920. Its totient is φ = 624181248.

The previous prime is 2345681279. The next prime is 2345681291. The reversal of 2345681280 is 821865432.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1175964 + ... + 1177956.

Almost surely, 2^2345681280 is an apocalyptic number.

2345681280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2345681280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3746406960).

2345681280 is an abundant number, since it is smaller than the sum of its proper divisors (5147132640).

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

2345681280 is a wasteful number, since it uses less digits than its factorization.

2345681280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628 (or 2616 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 2345681280 is about 48432.2338943807. The cubic root of 2345681280 is about 1328.6879630862.

The spelling of 2345681280 in words is "two billion, three hundred forty-five million, six hundred eighty-one thousand, two hundred eighty".