49458843648 has 624 divisors, whose sum is σ = 163148993280. Its totient is φ = 14906032128.

The previous prime is 49458843647. The next prime is 49458843653. The reversal of 49458843648 is 84634885494.

49458843648 is a `hidden beast` number, since 4 + 9 + 4 + 588 + 4 + 3 + 6 + 48 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49458843647) 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 47 ways as a sum of consecutive naturals, for example, 626061273 + ... + 626061351.

It is an arithmetic number, because the mean of its divisors is an integer number (261456720).

Almost surely, 2^49458843648 is an apocalyptic number.

49458843648 is a gapful number since it is divisible by the number (48) 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 49458843648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81574496640).

49458843648 is an abundant number, since it is smaller than the sum of its proper divisors (113690149632).

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

49458843648 is an equidigital number, since it uses as much as digits as its factorization.

49458843648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 138 counting only the distinct ones).

The product of its digits is 106168320, while the sum is 63.

The spelling of 49458843648 in words is "forty-nine billion, four hundred fifty-eight million, eight hundred forty-three thousand, six hundred forty-eight".