49788458518 has 64 divisors (see below), whose sum is σ = 83549527488. Its totient is φ = 22149918720.

The previous prime is 49788458491. The next prime is 49788458537. The reversal of 49788458518 is 81585488794.

It is a happy number.

It is a congruent number.

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, 6365346 + ... + 6373162.

It is an arithmetic number, because the mean of its divisors is an integer number (1305461367).

Almost surely, 2^49788458518 is an apocalyptic number.

49788458518 is a deficient number, since it is larger than the sum of its proper divisors (33761068970).

49788458518 is a wasteful number, since it uses less digits than its factorization.

49788458518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8017.

The product of its digits is 103219200, while the sum is 67.

The spelling of 49788458518 in words is "forty-nine billion, seven hundred eighty-eight million, four hundred fifty-eight thousand, five hundred eighteen".