1485338440 has 16 divisors (see below), whose sum is σ = 3342011580. Its totient is φ = 594135360.

The previous prime is 1485338429. The next prime is 1485338441. The reversal of 1485338440 is 448335841.

It can be written as a sum of positive squares in 2 ways, for example, as 1484252676 + 1085764 = 38526^2 + 1042^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 37133461 = 1485338440 / (1 + 4 + 8 + 5 + 3 + 3 + 8 + 4 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1485338393 and 1485338402.

It is not an unprimeable number, because it can be changed into a prime (1485338441) by changing a digit.

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, 18566691 + ... + 18566770.

Almost surely, 2^1485338440 is an apocalyptic number.

1485338440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1485338440 is an abundant number, since it is smaller than the sum of its proper divisors (1856673140).

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

1485338440 is a wasteful number, since it uses less digits than its factorization.

1485338440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37133472 (or 37133468 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 1485338440 is about 38540.0887388703. The cubic root of 1485338440 is about 1140.9724031083.

The spelling of 1485338440 in words is "one billion, four hundred eighty-five million, three hundred thirty-eight thousand, four hundred forty".