1485644020420 has 48 divisors (see below), whose sum is σ = 3648465330048. Its totient is φ = 497517995520.

The previous prime is 1485644020381. The next prime is 1485644020433. The reversal of 1485644020420 is 240204465841.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123386341 + ... + 123398380.

It is an arithmetic number, because the mean of its divisors is an integer number (76009694376).

Almost surely, 2^{1485644020420} is an apocalyptic number.

1485644020420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1485644020420 is an abundant number, since it is smaller than the sum of its proper divisors (2162821309628).

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

1485644020420 is a wasteful number, since it uses less digits than its factorization.

1485644020420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246784780 (or 246784778 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 40.

The spelling of 1485644020420 in words is "one trillion, four hundred eighty-five billion, six hundred forty-four million, twenty thousand, four hundred twenty".