1485505688 has 16 divisors (see below), whose sum is σ = 2844586080. Its totient is φ = 726949408.

The previous prime is 1485505687. The next prime is 1485505691. The reversal of 1485505688 is 8865055841.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485505687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1975031 + ... + 1975782.

It is an arithmetic number, because the mean of its divisors is an integer number (177786630).

Almost surely, 2^1485505688 is an apocalyptic number.

It is an amenable number.

1485505688 is a deficient number, since it is larger than the sum of its proper divisors (1359080392).

1485505688 is a wasteful number, since it uses less digits than its factorization.

1485505688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3950866 (or 3950862 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 50.

The square root of 1485505688 is about 38542.2584704114. The cubic root of 1485505688 is about 1141.0152257148.

The spelling of 1485505688 in words is "one billion, four hundred eighty-five million, five hundred five thousand, six hundred eighty-eight".