4243651680 has 96 divisors (see below), whose sum is σ = 13389643008. Its totient is φ = 1129766400.

The previous prime is 4243651679. The next prime is 4243651681. The reversal of 4243651680 is 861563424.

It is an interprime number because it is at equal distance from previous prime (4243651679) and next prime (4243651681).

It is a tau number, because it is divible by the number of its divisors (96).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243651681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295875 + ... + 309885.

It is an arithmetic number, because the mean of its divisors is an integer number (139475448).

Almost surely, 2^4243651680 is an apocalyptic number.

4243651680 is a gapful number since it is divisible by the number (40) 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 4243651680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6694821504).

4243651680 is an abundant number, since it is smaller than the sum of its proper divisors (9145991328).

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

4243651680 is a wasteful number, since it uses less digits than its factorization.

4243651680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14660 (or 14652 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 4243651680 is about 65143.3164645461. The cubic root of 4243651680 is about 1618.9989853091.

The spelling of 4243651680 in words is "four billion, two hundred forty-three million, six hundred fifty-one thousand, six hundred eighty".