48171999240 has 128 divisors (see below), whose sum is σ = 162556012800. Its totient is φ = 12845843136.

The previous prime is 48171999203. The next prime is 48171999241. The reversal of 48171999240 is 4299917184.

48171999240 is a `hidden beast` number, since 481 + 71 + 9 + 9 + 92 + 4 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (48171999241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187852 + ... + 362811.

It is an arithmetic number, because the mean of its divisors is an integer number (1269968850).

Almost surely, 2^48171999240 is an apocalyptic number.

48171999240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48171999240 is an abundant number, since it is smaller than the sum of its proper divisors (114384013560).

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

48171999240 is an equidigital number, since it uses as much as digits as its factorization.

48171999240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550695 (or 550673 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 48171999240 in words is "forty-eight billion, one hundred seventy-one million, nine hundred ninety-nine thousand, two hundred forty".