2345571648 has 224 divisors, whose sum is σ = 8224235520. Its totient is φ = 640949760.

The previous prime is 2345571643. The next prime is 2345571661. The reversal of 2345571648 is 8461755432.

2345571648 is a `hidden beast` number, since 2 + 34 + 5 + 571 + 6 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345571643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 273993 + ... + 282423.

Almost surely, 2^2345571648 is an apocalyptic number.

2345571648 is a gapful number since it is divisible by the number (28) 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 2345571648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4112117760).

2345571648 is an abundant number, since it is smaller than the sum of its proper divisors (5878663872).

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

2345571648 is a wasteful number, since it uses less digits than its factorization.

2345571648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8482 (or 8466 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 2345571648 is about 48431.1020729448. The cubic root of 2345571648 is about 1328.6672627763.

The spelling of 2345571648 in words is "two billion, three hundred forty-five million, five hundred seventy-one thousand, six hundred forty-eight".