4986638040 has 64 divisors (see below), whose sum is σ = 15024204000. Its totient is φ = 1324055552.

The previous prime is 4986638029. The next prime is 4986638053. The reversal of 4986638040 is 408366894.

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, 61215 + ... + 117134.

Almost surely, 2^4986638040 is an apocalyptic number.

4986638040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4986638040 is an abundant number, since it is smaller than the sum of its proper divisors (10037565960).

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

4986638040 is a wasteful number, since it uses less digits than its factorization.

4986638040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178596 (or 178592 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The square root of 4986638040 is about 70616.1315847873. The cubic root of 4986638040 is about 1708.4513457453.

The spelling of 4986638040 in words is "four billion, nine hundred eighty-six million, six hundred thirty-eight thousand, forty".