4987681920 has 384 divisors, whose sum is σ = 19242699840. Its totient is φ = 1227239424.

The previous prime is 4987681883. The next prime is 4987681931. The reversal of 4987681920 is 291867894.

4987681920 is a `hidden beast` number, since 498 + 7 + 68 + 1 + 92 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2020527 + ... + 2022993.

Almost surely, 2^4987681920 is an apocalyptic number.

4987681920 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 4987681920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9621349920).

4987681920 is an abundant number, since it is smaller than the sum of its proper divisors (14255017920).

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

4987681920 is a wasteful number, since it uses less digits than its factorization.

4987681920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514 (or 2490 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 4987681920 is about 70623.5224270214. The cubic root of 4987681920 is about 1708.5705505580.

The spelling of 4987681920 in words is "four billion, nine hundred eighty-seven million, six hundred eighty-one thousand, nine hundred twenty".