1448038820 has 24 divisors (see below), whose sum is σ = 3115051128. Its totient is φ = 565088000.

The previous prime is 1448038783. The next prime is 1448038831. The reversal of 1448038820 is 288308441.

It can be written as a sum of positive squares in 4 ways, for example, as 10719076 + 1437319744 = 3274^2 + 37912^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882131 + ... + 883770.

It is an arithmetic number, because the mean of its divisors is an integer number (129793797).

Almost surely, 2^1448038820 is an apocalyptic number.

1448038820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1448038820 is an abundant number, since it is smaller than the sum of its proper divisors (1667012308).

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

1448038820 is a wasteful number, since it uses less digits than its factorization.

1448038820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765951 (or 1765949 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 1448038820 is about 38053.1052609376. The cubic root of 1448038820 is about 1131.3406751692.

The spelling of 1448038820 in words is "one billion, four hundred forty-eight million, thirty-eight thousand, eight hundred twenty".