2444651428 has 6 divisors (see below), whose sum is σ = 4278140006. Its totient is φ = 1222325712.

The previous prime is 2444651401. The next prime is 2444651431. The reversal of 2444651428 is 8241564442.

2444651428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1611059044 + 833592384 = 40138^2 + 28872^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305581425 + ... + 305581432.

Almost surely, 2^2444651428 is an apocalyptic number.

It is an amenable number.

2444651428 is a deficient number, since it is larger than the sum of its proper divisors (1833488578).

2444651428 is a wasteful number, since it uses less digits than its factorization.

2444651428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611162861 (or 611162859 counting only the distinct ones).

The product of its digits is 245760, while the sum is 40.

The square root of 2444651428 is about 49443.4164272656. The cubic root of 2444651428 is about 1347.1180271750.

The spelling of 2444651428 in words is "two billion, four hundred forty-four million, six hundred fifty-one thousand, four hundred twenty-eight".