49478666496 has 576 divisors, whose sum is σ = 162630451200. Its totient is φ = 13330759680.

The previous prime is 49478666491. The next prime is 49478666543. The reversal of 49478666496 is 69466687494.

It is a self number, because there is not a number n which added to its sum of digits gives 49478666496.

It is not an unprimeable number, because it can be changed into a prime (49478666491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 596128471 + ... + 596128553.

Almost surely, 2^49478666496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49478666496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81315225600).

49478666496 is an abundant number, since it is smaller than the sum of its proper divisors (113151784704).

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

49478666496 is an equidigital number, since it uses as much as digits as its factorization.

49478666496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 199 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 69.

The spelling of 49478666496 in words is "forty-nine billion, four hundred seventy-eight million, six hundred sixty-six thousand, four hundred ninety-six".