1449294638 has 32 divisors (see below), whose sum is σ = 2390141952. Its totient is φ = 653637600.

The previous prime is 1449294599. The next prime is 1449294647. The reversal of 1449294638 is 8364929441.

It is a congruent number.

It is an unprimeable number.

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, 2678648 + ... + 2679188.

It is an arithmetic number, because the mean of its divisors is an integer number (74691936).

Almost surely, 2^1449294638 is an apocalyptic number.

1449294638 is a deficient number, since it is larger than the sum of its proper divisors (940847314).

1449294638 is a wasteful number, since it uses less digits than its factorization.

1449294638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280.

The product of its digits is 1492992, while the sum is 50.

The square root of 1449294638 is about 38069.6025458633. The cubic root of 1449294638 is about 1131.6676340515.

The spelling of 1449294638 in words is "one billion, four hundred forty-nine million, two hundred ninety-four thousand, six hundred thirty-eight".