49128281532 has 72 divisors (see below), whose sum is σ = 142605240960. Its totient is φ = 14103810720.

The previous prime is 49128281491. The next prime is 49128281537. The reversal of 49128281532 is 23518282194.

49128281532 is a `hidden beast` number, since 4 + 91 + 2 + 8 + 28 + 1 + 532 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49128281537) 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 23 ways as a sum of consecutive naturals, for example, 3257248 + ... + 3272295.

Almost surely, 2^49128281532 is an apocalyptic number.

It is an amenable number.

49128281532 is an abundant number, since it is smaller than the sum of its proper divisors (93476959428).

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

49128281532 is a wasteful number, since it uses less digits than its factorization.

49128281532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6529583 (or 6529578 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The spelling of 49128281532 in words is "forty-nine billion, one hundred twenty-eight million, two hundred eighty-one thousand, five hundred thirty-two".