4666643280 has 400 divisors, whose sum is σ = 18027846144. Its totient is φ = 1111034880.

The previous prime is 4666643279. The next prime is 4666643309. The reversal of 4666643280 is 823466664.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2610547 + ... + 2612333.

Almost surely, 2^4666643280 is an apocalyptic number.

4666643280 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 4666643280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9013923072).

4666643280 is an abundant number, since it is smaller than the sum of its proper divisors (13361202864).

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

4666643280 is a wasteful number, since it uses less digits than its factorization.

4666643280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856 (or 1841 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The square root of 4666643280 is about 68312.8339333101. The cubic root of 4666643280 is about 1671.0965201186.

The spelling of 4666643280 in words is "four billion, six hundred sixty-six million, six hundred forty-three thousand, two hundred eighty".