49471868992 has 56 divisors (see below), whose sum is σ = 120825540416. Its totient is φ = 19571286528.

The previous prime is 49471868989. The next prime is 49471869019. The reversal of 49471868992 is 29986817494.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×49471868992² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4241418 + ... + 4253065.

It is an arithmetic number, because the mean of its divisors is an integer number (2157598936).

Almost surely, 2^49471868992 is an apocalyptic number.

It is an amenable number.

49471868992 is an abundant number, since it is smaller than the sum of its proper divisors (71353671424).

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

49471868992 is a wasteful number, since it uses less digits than its factorization.

49471868992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8494515 (or 8494505 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 67.

The spelling of 49471868992 in words is "forty-nine billion, four hundred seventy-one million, eight hundred sixty-eight thousand, nine hundred ninety-two".