1448242728 has 32 divisors (see below), whose sum is σ = 3648252960. Its totient is φ = 479061440.

The previous prime is 1448242711. The next prime is 1448242729. The reversal of 1448242728 is 8272428441.

It is a self number, because there is not a number n which added to its sum of digits gives 1448242728.

It is not an unprimeable number, because it can be changed into a prime (1448242729) 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, 227175 + ... + 233462.

It is an arithmetic number, because the mean of its divisors is an integer number (114007905).

Almost surely, 2^1448242728 is an apocalyptic number.

It is an amenable number.

1448242728 is an abundant number, since it is smaller than the sum of its proper divisors (2200010232).

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

1448242728 is a wasteful number, since it uses less digits than its factorization.

1448242728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460777 (or 460773 counting only the distinct ones).

The product of its digits is 229376, while the sum is 42.

The square root of 1448242728 is about 38055.7844223450. The cubic root of 1448242728 is about 1131.3937765511.

The spelling of 1448242728 in words is "one billion, four hundred forty-eight million, two hundred forty-two thousand, seven hundred twenty-eight".