49158128 has 40 divisors (see below), whose sum is σ = 97716960. Its totient is φ = 23950080.

The previous prime is 49158121. The next prime is 49158167. The reversal of 49158128 is 82185194.

It is a junction number, because it is equal to n+sod(n) for n = 49158091 and 49158100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49158121) 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, 123626 + ... + 124022.

It is an arithmetic number, because the mean of its divisors is an integer number (2442924).

Almost surely, 2^49158128 is an apocalyptic number.

It is an amenable number.

49158128 is a deficient number, since it is larger than the sum of its proper divisors (48558832).

49158128 is a wasteful number, since it uses less digits than its factorization.

49158128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 579 counting only the distinct ones).

The product of its digits is 23040, while the sum is 38.

The square root of 49158128 is about 7011.2857594025. The cubic root of 49158128 is about 366.3237800940.

The spelling of 49158128 in words is "forty-nine million, one hundred fifty-eight thousand, one hundred twenty-eight".