4887280640 has 176 divisors, whose sum is σ = 12924987264. Its totient is φ = 1758412800.

The previous prime is 4887280639. The next prime is 4887280661. The reversal of 4887280640 is 460827884.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (176).

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, 6025835 + ... + 6026645.

Almost surely, 2^4887280640 is an apocalyptic number.

4887280640 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 4887280640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6462493632).

4887280640 is an abundant number, since it is smaller than the sum of its proper divisors (8037706624).

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

4887280640 is a wasteful number, since it uses less digits than its factorization.

4887280640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 47.

The square root of 4887280640 is about 69909.0883934271. The cubic root of 4887280640 is about 1697.0283309198.

The spelling of 4887280640 in words is "four billion, eight hundred eighty-seven million, two hundred eighty thousand, six hundred forty".