49442581188 has 216 divisors, whose sum is σ = 168728728896. Its totient is φ = 11854252800.

The previous prime is 49442581129. The next prime is 49442581213. The reversal of 49442581188 is 88118524494.

49442581188 is a `hidden beast` number, since 4 + 9 + 4 + 42 + 581 + 18 + 8 = 666.

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, 415698 + ... + 521238.

Almost surely, 2^49442581188 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 49442581188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84364364448).

49442581188 is an abundant number, since it is smaller than the sum of its proper divisors (119286147708).

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

49442581188 is a wasteful number, since it uses less digits than its factorization.

49442581188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105595 (or 105577 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 54.

The spelling of 49442581188 in words is "forty-nine billion, four hundred forty-two million, five hundred eighty-one thousand, one hundred eighty-eight".