49518294912 has 576 divisors, whose sum is σ = 162959247360. Its totient is φ = 14388295680.

The previous prime is 49518294907. The next prime is 49518294949. The reversal of 49518294912 is 21949281594.

It is a tau number, because it is divible by the number of its divisors (576).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 296516653 + ... + 296516819.

It is an arithmetic number, because the mean of its divisors is an integer number (282915360).

Almost surely, 2^49518294912 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 49518294912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81479623680).

49518294912 is an abundant number, since it is smaller than the sum of its proper divisors (113440952448).

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

49518294912 is a wasteful number, since it uses less digits than its factorization.

49518294912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 245 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The spelling of 49518294912 in words is "forty-nine billion, five hundred eighteen million, two hundred ninety-four thousand, nine hundred twelve".