944649220 has 48 divisors (see below), whose sum is σ = 2144640960. Its totient is φ = 348292224.

The previous prime is 944649197. The next prime is 944649227. The reversal of 944649220 is 22946449.

It is not an unprimeable number, because it can be changed into a prime (944649227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19534 + ... + 47653.

It is an arithmetic number, because the mean of its divisors is an integer number (44680020).

Almost surely, 2^944649220 is an apocalyptic number.

It is an amenable number.

944649220 is an abundant number, since it is smaller than the sum of its proper divisors (1199991740).

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

944649220 is a wasteful number, since it uses less digits than its factorization.

944649220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67252 (or 67250 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 944649220 is about 30735.1463311955. The cubic root of 944649220 is about 981.1984574330.

It can be divided in two parts, 94464 and 9220, that added together give a square (103684 = 322²).

The spelling of 944649220 in words is "nine hundred forty-four million, six hundred forty-nine thousand, two hundred twenty".