48251931840 has 672 divisors, whose sum is σ = 208377861120. Its totient is φ = 9992429568.

The previous prime is 48251931811. The next prime is 48251931841. The reversal of 48251931840 is 4813915284.

48251931840 is a `hidden beast` number, since 4 + 82 + 519 + 3 + 18 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

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 (48251931841) 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, 8807182 + ... + 8812658.

Almost surely, 2^48251931840 is an apocalyptic number.

48251931840 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 48251931840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104188930560).

48251931840 is an abundant number, since it is smaller than the sum of its proper divisors (160125929280).

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

48251931840 is a wasteful number, since it uses less digits than its factorization.

48251931840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5549 (or 5536 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 48251931840 in words is "forty-eight billion, two hundred fifty-one million, nine hundred thirty-one thousand, eight hundred forty".