1448422140 has 48 divisors (see below), whose sum is σ = 4424273280. Its totient is φ = 351132480.

The previous prime is 1448422111. The next prime is 1448422141. The reversal of 1448422140 is 412248441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1448422098 and 1448422107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448422141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1096630 + ... + 1097949.

It is an arithmetic number, because the mean of its divisors is an integer number (92172360).

Almost surely, 2^1448422140 is an apocalyptic number.

1448422140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1448422140 is an abundant number, since it is smaller than the sum of its proper divisors (2975851140).

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

1448422140 is a wasteful number, since it uses less digits than its factorization.

1448422140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194602 (or 2194600 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 1448422140 is about 38058.1415731247. The cubic root of 1448422140 is about 1131.4404946034.

The spelling of 1448422140 in words is "one billion, four hundred forty-eight million, four hundred twenty-two thousand, one hundred forty".