63149844 has 48 divisors (see below), whose sum is σ = 156098880. Its totient is φ = 19814400.

The previous prime is 63149839. The next prime is 63149851. The reversal of 63149844 is 44894136.

It is a happy number.

63149844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 38644 + ... + 40244.

It is an arithmetic number, because the mean of its divisors is an integer number (3252060).

Almost surely, 2^63149844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63149844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78049440).

63149844 is an abundant number, since it is smaller than the sum of its proper divisors (92949036).

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

63149844 is a wasteful number, since it uses less digits than its factorization.

63149844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800 (or 1798 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 63149844 is about 7946.6876118292. The cubic root of 63149844 is about 398.2209407682.

The spelling of 63149844 in words is "sixty-three million, one hundred forty-nine thousand, eight hundred forty-four".