49840857576 has 128 divisors (see below), whose sum is σ = 139133030400. Its totient is φ = 16531542720.

The previous prime is 49840857553. The next prime is 49840857581. The reversal of 49840857576 is 67575804894.

49840857576 is a `hidden beast` number, since 4 + 9 + 8 + 4 + 0 + 8 + 57 + 576 = 666.

It is a super-2 number, since 2×49840857576² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68556525 + ... + 68557251.

It is an arithmetic number, because the mean of its divisors is an integer number (1086976800).

Almost surely, 2^49840857576 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 49840857576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69566515200).

49840857576 is an abundant number, since it is smaller than the sum of its proper divisors (89292172824).

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

49840857576 is a wasteful number, since it uses less digits than its factorization.

49840857576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876 (or 1866 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 63.

The spelling of 49840857576 in words is "forty-nine billion, eight hundred forty million, eight hundred fifty-seven thousand, five hundred seventy-six".