49236018 has 32 divisors (see below), whose sum is σ = 107511936. Its totient is φ = 14940288.

The previous prime is 49236001. The next prime is 49236023. The reversal of 49236018 is 81063294.

49236018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 49236018.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1371 + ... + 10017.

It is an arithmetic number, because the mean of its divisors is an integer number (3359748).

Almost surely, 2^49236018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49236018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53755968).

49236018 is an abundant number, since it is smaller than the sum of its proper divisors (58275918).

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

49236018 is a wasteful number, since it uses less digits than its factorization.

49236018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8738.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 49236018 is about 7016.8381768429. The cubic root of 49236018 is about 366.5171553891.

The spelling of 49236018 in words is "forty-nine million, two hundred thirty-six thousand, eighteen".