49155812766 has 40 divisors (see below), whose sum is σ = 116624581920. Its totient is φ = 15421430592.

The previous prime is 49155812759. The next prime is 49155812789. The reversal of 49155812766 is 66721855194.

It is a happy number.

49155812766 is a `hidden beast` number, since 4 + 9 + 1 + 558 + 1 + 27 + 66 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8921686 + ... + 8927193.

It is an arithmetic number, because the mean of its divisors is an integer number (2915614548).

Almost surely, 2^49155812766 is an apocalyptic number.

49155812766 is an abundant number, since it is smaller than the sum of its proper divisors (67468769154).

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

49155812766 is a wasteful number, since it uses less digits than its factorization.

49155812766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17848910 (or 17848901 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The spelling of 49155812766 in words is "forty-nine billion, one hundred fifty-five million, eight hundred twelve thousand, seven hundred sixty-six".