1485715788 has 18 divisors (see below), whose sum is σ = 3755559444. Its totient is φ = 495238584.

The previous prime is 1485715741. The next prime is 1485715789. The reversal of 1485715788 is 8875175841.

1485715788 is a `hidden beast` number, since 1 + 485 + 7 + 157 + 8 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (1485715789) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20634906 + ... + 20634977.

Almost surely, 2^1485715788 is an apocalyptic number.

1485715788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1485715788 is an abundant number, since it is smaller than the sum of its proper divisors (2269843656).

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

1485715788 is a wasteful number, since it uses less digits than its factorization.

1485715788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41269893 (or 41269888 counting only the distinct ones).

The product of its digits is 2508800, while the sum is 54.

The square root of 1485715788 is about 38544.9839538169. The cubic root of 1485715788 is about 1141.0690157025.

The spelling of 1485715788 in words is "one billion, four hundred eighty-five million, seven hundred fifteen thousand, seven hundred eighty-eight".