4878973440 has 960 divisors, whose sum is σ = 20590682112. Its totient is φ = 1094860800.

The previous prime is 4878973373. The next prime is 4878973441. The reversal of 4878973440 is 443798784.

4878973440 is a `hidden beast` number, since 48 + 78 + 97 + 3 + 440 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4878973441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 157386225 + ... + 157386255.

Almost surely, 2^4878973440 is an apocalyptic number.

4878973440 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 4878973440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10295341056).

4878973440 is an abundant number, since it is smaller than the sum of its proper divisors (15711708672).

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

4878973440 is a wasteful number, since it uses less digits than its factorization.

4878973440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The square root of 4878973440 is about 69849.6488180148. The cubic root of 4878973440 is about 1696.0662724786.

The spelling of 4878973440 in words is "four billion, eight hundred seventy-eight million, nine hundred seventy-three thousand, four hundred forty".