1448640628 has 12 divisors (see below), whose sum is σ = 2535389892. Its totient is φ = 724243520.

The previous prime is 1448640563. The next prime is 1448640643. The reversal of 1448640628 is 8260468441.

It can be written as a sum of positive squares in 2 ways, for example, as 342546064 + 1106094564 = 18508^2 + 33258^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55776 + ... + 77512.

It is an arithmetic number, because the mean of its divisors is an integer number (211282491).

Almost surely, 2^1448640628 is an apocalyptic number.

It is an amenable number.

1448640628 is a deficient number, since it is larger than the sum of its proper divisors (1086749264).

1448640628 is a wasteful number, since it uses less digits than its factorization.

1448640628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38402 (or 38400 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 43.

The square root of 1448640628 is about 38061.0119150818. The cubic root of 1448640628 is about 1131.4973826553.

The spelling of 1448640628 in words is "one billion, four hundred forty-eight million, six hundred forty thousand, six hundred twenty-eight".