49840881 has 8 divisors (see below), whose sum is σ = 66521280. Its totient is φ = 33193872.

The previous prime is 49840873. The next prime is 49840883. The reversal of 49840881 is 18804894.

49840881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49840881 - 2³ = 49840873 is a prime.

It is a super-2 number, since 2×49840881² = 4968226837712322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49840883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4626 + ... + 11003.

It is an arithmetic number, because the mean of its divisors is an integer number (8315160).

Almost surely, 2^49840881 is an apocalyptic number.

It is an amenable number.

49840881 is a deficient number, since it is larger than the sum of its proper divisors (16680399).

49840881 is a wasteful number, since it uses less digits than its factorization.

49840881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16695.

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 49840881 is about 7059.8074336344. The cubic root of 49840881 is about 368.0119349666.

It can be divided in two parts, 49840 and 881, that added together give a triangular number (50721 = T₃₁₈).

The spelling of 49840881 in words is "forty-nine million, eight hundred forty thousand, eight hundred eighty-one".