1448728407 has 12 divisors (see below), whose sum is σ = 2391551760. Its totient is φ = 827844768.

The previous prime is 1448728381. The next prime is 1448728409. The reversal of 1448728407 is 7048278441.

1448728407 is a `hidden beast` number, since 144 + 87 + 28 + 407 = 666.

It is not a de Polignac number, because 1448728407 - 2⁷ = 1448728279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448728409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11497782 + ... + 11497907.

It is an arithmetic number, because the mean of its divisors is an integer number (199295980).

Almost surely, 2^1448728407 is an apocalyptic number.

1448728407 is a deficient number, since it is larger than the sum of its proper divisors (942823353).

1448728407 is a wasteful number, since it uses less digits than its factorization.

1448728407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22995702 (or 22995699 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 45.

The square root of 1448728407 is about 38062.1650330088. The cubic root of 1448728407 is about 1131.5202361961.

The spelling of 1448728407 in words is "one billion, four hundred forty-eight million, seven hundred twenty-eight thousand, four hundred seven".