4986139680 has 120 divisors (see below), whose sum is σ = 17596963692. Its totient is φ = 1329633792.

The previous prime is 4986139667. The next prime is 4986139687. The reversal of 4986139680 is 869316894.

4986139680 is a `hidden beast` number, since 498 + 61 + 3 + 96 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4713097104 + 273042576 = 68652^2 + 16524^2 .

It is a tau number, because it is divible by the number of its divisors (120).

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

It is not an unprimeable number, because it can be changed into a prime (4986139687) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 179407 + ... + 205326.

Almost surely, 2^4986139680 is an apocalyptic number.

4986139680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4986139680 is an abundant number, since it is smaller than the sum of its proper divisors (12610824012).

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

4986139680 is a wasteful number, since it uses less digits than its factorization.

4986139680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384760 (or 384743 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 4986139680 is about 70612.6028411359. The cubic root of 4986139680 is about 1708.3944301660.

The spelling of 4986139680 in words is "four billion, nine hundred eighty-six million, one hundred thirty-nine thousand, six hundred eighty".