49078440064 has 64 divisors (see below), whose sum is σ = 98293932000. Its totient is φ = 24408963072.

The previous prime is 49078440023. The next prime is 49078440091. The reversal of 49078440064 is 46004487094.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 49078439996 and 49078440023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24798627 + ... + 24800605.

Almost surely, 2^49078440064 is an apocalyptic number.

It is an amenable number.

49078440064 is an abundant number, since it is smaller than the sum of its proper divisors (49215491936).

49078440064 is a wasteful number, since it uses less digits than its factorization.

49078440064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925 (or 2913 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

It can be divided in two parts, 490784 and 40064, that multiplied together give a square (19662770176 = 140224²).

The spelling of 49078440064 in words is "forty-nine billion, seventy-eight million, four hundred forty thousand, sixty-four".