1385194480 has 20 divisors (see below), whose sum is σ = 3220577352. Its totient is φ = 554077760.

The previous prime is 1385194477. The next prime is 1385194511. The reversal of 1385194480 is 844915831.

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 8657386 + ... + 8657545.

Almost surely, 2^1385194480 is an apocalyptic number.

1385194480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1385194480 is an abundant number, since it is smaller than the sum of its proper divisors (1835382872).

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

1385194480 is a wasteful number, since it uses less digits than its factorization.

1385194480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17314944 (or 17314938 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 1385194480 is about 37218.2009237416. The cubic root of 1385194480 is about 1114.7314414166.

The spelling of 1385194480 in words is "one billion, three hundred eighty-five million, one hundred ninety-four thousand, four hundred eighty".