49999999995904 has 104 divisors (see below), whose sum is σ = 114284606412800. Its totient is φ = 21426163089408.

The previous prime is 49999999995859. The next prime is 49999999995929. The reversal of 49999999995904 is 40959999999994.

It is a junction number, because it is equal to n+sod(n) for n = 49999999995794 and 49999999995803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267789172 + ... + 267975820.

Almost surely, 2^{49999999995904} 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 49999999995904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57142303206400).

49999999995904 is an abundant number, since it is smaller than the sum of its proper divisors (64284606416896).

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

49999999995904 is an equidigital number, since it uses as much as digits as its factorization.

49999999995904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196023 (or 196001 counting only the distinct ones).

The product of its (nonzero) digits is 278942752080, while the sum is 103.

The spelling of 49999999995904 in words is "forty-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-five thousand, nine hundred four".