49267155816 has 24 divisors (see below), whose sum is σ = 133431880530. Its totient is φ = 16422385248.

The previous prime is 49267155799. The next prime is 49267155823. The reversal of 49267155816 is 61855176294.

It is a happy number.

49267155816 is a `hidden beast` number, since 4 + 9 + 2 + 6 + 71 + 558 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 49260026916 + 7128900 = 221946^2 + 2670^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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 5 ways as a sum of consecutive naturals, for example, 342132955 + ... + 342133098.

Almost surely, 2^49267155816 is an apocalyptic number.

It is an amenable number.

49267155816 is an abundant number, since it is smaller than the sum of its proper divisors (84164724714).

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

49267155816 is a wasteful number, since it uses less digits than its factorization.

49267155816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684266065 (or 684266058 counting only the distinct ones).

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

The spelling of 49267155816 in words is "forty-nine billion, two hundred sixty-seven million, one hundred fifty-five thousand, eight hundred sixteen".