49178255012 has 24 divisors (see below), whose sum is σ = 87701750136. Its totient is φ = 24120781568.

The previous prime is 49178255011. The next prime is 49178255017. The reversal of 49178255012 is 21055287194.

It can be written as a sum of positive squares in 4 ways, for example, as 2494602916 + 46683652096 = 49946^2 + 216064^2 .

It is not an unprimeable number, because it can be changed into a prime (49178255011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1354358 + ... + 1390194.

It is an arithmetic number, because the mean of its divisors is an integer number (3654239589).

Almost surely, 2^49178255012 is an apocalyptic number.

It is an amenable number.

49178255012 is a deficient number, since it is larger than the sum of its proper divisors (38523495124).

49178255012 is a wasteful number, since it uses less digits than its factorization.

49178255012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42367 (or 42365 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 49178255012 in words is "forty-nine billion, one hundred seventy-eight million, two hundred fifty-five thousand, twelve".