48699947520 has 600 divisors, whose sum is σ = 202948170084. Its totient is φ = 11129094144.

The previous prime is 48699947497. The next prime is 48699947561. The reversal of 48699947520 is 2574999684.

48699947520 is a `hidden beast` number, since 4 + 8 + 69 + 9 + 9 + 47 + 520 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 47845437696 + 854509824 = 218736^2 + 29232^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 10158244 + ... + 10163036.

Almost surely, 2^48699947520 is an apocalyptic number.

48699947520 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 48699947520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101474085042).

48699947520 is an abundant number, since it is smaller than the sum of its proper divisors (154248222564).

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

48699947520 is an equidigital number, since it uses as much as digits as its factorization.

48699947520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4842 (or 4810 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 48699947520 in words is "forty-eight billion, six hundred ninety-nine million, nine hundred forty-seven thousand, five hundred twenty".