49015272128 has 56 divisors (see below), whose sum is σ = 97767648000. Its totient is φ = 24381175040.

The previous prime is 49015272127. The next prime is 49015272149. The reversal of 49015272128 is 82127251094.

It is not an unprimeable number, because it can be changed into a prime (49015272121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16342373 + ... + 16345371.

Almost surely, 2^49015272128 is an apocalyptic number.

It is an amenable number.

49015272128 is a deficient number, since it is larger than the sum of its proper divisors (48752375872).

49015272128 is a wasteful number, since it uses less digits than its factorization.

49015272128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4245 (or 4235 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 49015272128 in words is "forty-nine billion, fifteen million, two hundred seventy-two thousand, one hundred twenty-eight".