1320040485 has 48 divisors (see below), whose sum is σ = 2412633600. Its totient is φ = 665822592.

The previous prime is 1320040471. The next prime is 1320040517. The reversal of 1320040485 is 5840400231.

It is not a de Polignac number, because 1320040485 - 2¹¹ = 1320038437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 736971 + ... + 738759.

It is an arithmetic number, because the mean of its divisors is an integer number (50263200).

Almost surely, 2^1320040485 is an apocalyptic number.

1320040485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1320040485 is a deficient number, since it is larger than the sum of its proper divisors (1092593115).

1320040485 is a wasteful number, since it uses less digits than its factorization.

1320040485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682 (or 2679 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1320040485 is about 36332.3614013733. The cubic root of 1320040485 is about 1096.9725251392.

The spelling of 1320040485 in words is "one billion, three hundred twenty million, forty thousand, four hundred eighty-five".