48215618280 has 512 divisors, whose sum is σ = 181258560000. Its totient is φ = 11328159744.

The previous prime is 48215618239. The next prime is 48215618287. The reversal of 48215618280 is 8281651284.

48215618280 is a `hidden beast` number, since 4 + 8 + 2 + 1 + 5 + 618 + 28 + 0 = 666.

It is a super-2 number, since 2×48215618280² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (48215618287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 31045984 + ... + 31047536.

It is an arithmetic number, because the mean of its divisors is an integer number (354020625).

Almost surely, 2^48215618280 is an apocalyptic number.

48215618280 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 48215618280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90629280000).

48215618280 is an abundant number, since it is smaller than the sum of its proper divisors (133042941720).

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

48215618280 is a wasteful number, since it uses less digits than its factorization.

48215618280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698 (or 1688 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The spelling of 48215618280 in words is "forty-eight billion, two hundred fifteen million, six hundred eighteen thousand, two hundred eighty".