1485298920 has 128 divisors (see below), whose sum is σ = 5145235200. Its totient is φ = 335978496.

The previous prime is 1485298883. The next prime is 1485298931. The reversal of 1485298920 is 298925841.

1485298920 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1485298920² = 4412225763506332800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1485298920.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72366 + ... + 90594.

It is an arithmetic number, because the mean of its divisors is an integer number (40197150).

Almost surely, 2^1485298920 is an apocalyptic number.

1485298920 is a gapful number since it is divisible by the number (10) 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 1485298920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2572617600).

1485298920 is an abundant number, since it is smaller than the sum of its proper divisors (3659936280).

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

1485298920 is a wasteful number, since it uses less digits than its factorization.

1485298920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18347 (or 18343 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 1485298920 is about 38539.5760225771. The cubic root of 1485298920 is about 1140.9622838367.

The spelling of 1485298920 in words is "one billion, four hundred eighty-five million, two hundred ninety-eight thousand, nine hundred twenty".