1485604820 has 48 divisors (see below), whose sum is σ = 3587380608. Its totient is φ = 506217600.

The previous prime is 1485604819. The next prime is 1485604829. The reversal of 1485604820 is 284065841.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485604829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9731 + ... + 55370.

It is an arithmetic number, because the mean of its divisors is an integer number (74737096).

Almost surely, 2^1485604820 is an apocalyptic number.

1485604820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1485604820 is an abundant number, since it is smaller than the sum of its proper divisors (2101775788).

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

1485604820 is a wasteful number, since it uses less digits than its factorization.

1485604820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65280 (or 65278 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 1485604820 is about 38543.5444659673. The cubic root of 1485604820 is about 1141.0406062090.

The spelling of 1485604820 in words is "one billion, four hundred eighty-five million, six hundred four thousand, eight hundred twenty".