1485521856 has 560 divisors, whose sum is σ = 5617683456. Its totient is φ = 377726976.

The previous prime is 1485521833. The next prime is 1485521857. The reversal of 1485521856 is 6581255841.

1485521856 is a `hidden beast` number, since 1 + 48 + 5 + 521 + 85 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485521857) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 22171935 + ... + 22172001.

Almost surely, 2^1485521856 is an apocalyptic number.

1485521856 is a gapful number since it is divisible by the number (16) 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 1485521856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2808841728).

1485521856 is an abundant number, since it is smaller than the sum of its proper divisors (4132161600).

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

1485521856 is a wasteful number, since it uses less digits than its factorization.

1485521856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 139 counting only the distinct ones).

The product of its digits is 384000, while the sum is 45.

The square root of 1485521856 is about 38542.4682136471. The cubic root of 1485521856 is about 1141.0193652406.

The spelling of 1485521856 in words is "one billion, four hundred eighty-five million, five hundred twenty-one thousand, eight hundred fifty-six".