49289570568 has 384 divisors, whose sum is σ = 166563371520. Its totient is φ = 12846366720.

The previous prime is 49289570497. The next prime is 49289570579. The reversal of 49289570568 is 86507598294.

49289570568 is a `hidden beast` number, since 4 + 9 + 2 + 8 + 9 + 570 + 56 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 95 ways as a sum of consecutive naturals, for example, 67798221 + ... + 67798947.

It is an arithmetic number, because the mean of its divisors is an integer number (433758780).

Almost surely, 2^49289570568 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 49289570568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83281685760).

49289570568 is an abundant number, since it is smaller than the sum of its proper divisors (117273800952).

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

49289570568 is a wasteful number, since it uses less digits than its factorization.

49289570568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 63.

The spelling of 49289570568 in words is "forty-nine billion, two hundred eighty-nine million, five hundred seventy thousand, five hundred sixty-eight".