49141890 has 144 divisors (see below), whose sum is σ = 153047232. Its totient is φ = 11127456.

The previous prime is 49141889. The next prime is 49141891. The reversal of 49141890 is 9814194.

49141890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (49141889) and next prime (49141891).

It is not an unprimeable number, because it can be changed into a prime (49141891) 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 71 ways as a sum of consecutive naturals, for example, 459217 + ... + 459323.

It is an arithmetic number, because the mean of its divisors is an integer number (1062828).

Almost surely, 2^49141890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49141890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76523616).

49141890 is an abundant number, since it is smaller than the sum of its proper divisors (103905342).

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

49141890 is an equidigital number, since it uses as much as digits as its factorization.

49141890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 49141890 is about 7010.1276735877. The cubic root of 49141890 is about 366.2834407452.

The spelling of 49141890 in words is "forty-nine million, one hundred forty-one thousand, eight hundred ninety".