1448005820 has 24 divisors (see below), whose sum is σ = 3048645600. Its totient is φ = 577710272.

The previous prime is 1448005817. The next prime is 1448005829. The reversal of 1448005820 is 285008441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448005829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85280 + ... + 100839.

It is an arithmetic number, because the mean of its divisors is an integer number (127026900).

Almost surely, 2^1448005820 is an apocalyptic number.

1448005820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1448005820 is an abundant number, since it is smaller than the sum of its proper divisors (1600639780).

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

1448005820 is a wasteful number, since it uses less digits than its factorization.

1448005820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186517 (or 186515 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 1448005820 is about 38052.6716539062. The cubic root of 1448005820 is about 1131.3320808955.

The spelling of 1448005820 in words is "one billion, four hundred forty-eight million, five thousand, eight hundred twenty".