1438318704 has 40 divisors (see below), whose sum is σ = 3806287632. Its totient is φ = 467745280.

The previous prime is 1438318691. The next prime is 1438318727. The reversal of 1438318704 is 4078138341.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363459 + ... + 367394.

Almost surely, 2^1438318704 is an apocalyptic number.

It is an amenable number.

1438318704 is an abundant number, since it is smaller than the sum of its proper divisors (2367968928).

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

1438318704 is a wasteful number, since it uses less digits than its factorization.

1438318704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730905 (or 730899 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 1438318704 is about 37925.1724320404. The cubic root of 1438318704 is about 1128.8035745822.

The spelling of 1438318704 in words is "one billion, four hundred thirty-eight million, three hundred eighteen thousand, seven hundred four".