1385935488 has 256 divisors, whose sum is σ = 4758912000. Its totient is φ = 388869120.

The previous prime is 1385935457. The next prime is 1385935513. The reversal of 1385935488 is 8845395831.

1385935488 is a `hidden beast` number, since 1 + 3 + 8 + 5 + 93 + 548 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 31 ways as a sum of consecutive naturals, for example, 1426843 + ... + 1427813.

It is an arithmetic number, because the mean of its divisors is an integer number (18589500).

Almost surely, 2^1385935488 is an apocalyptic number.

1385935488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1385935488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2379456000).

1385935488 is an abundant number, since it is smaller than the sum of its proper divisors (3372976512).

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

1385935488 is an equidigital number, since it uses as much as digits as its factorization.

1385935488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 1042 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The square root of 1385935488 is about 37228.1545070394. The cubic root of 1385935488 is about 1114.9301806979.

The spelling of 1385935488 in words is "one billion, three hundred eighty-five million, nine hundred thirty-five thousand, four hundred eighty-eight".