1024280305420 has 24 divisors (see below), whose sum is σ = 2151089136000. Its totient is φ = 409692980352.

The previous prime is 1024280305381. The next prime is 1024280305493. The reversal of 1024280305420 is 245030824201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753585 + ... + 1617544.

It is an arithmetic number, because the mean of its divisors is an integer number (89628714000).

Almost surely, 2^{1024280305420} is an apocalyptic number.

1024280305420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024280305420 is an abundant number, since it is smaller than the sum of its proper divisors (1126808830580).

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

1024280305420 is a wasteful number, since it uses less digits than its factorization.

1024280305420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392737 (or 2392735 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 1024280305420 in words is "one trillion, twenty-four billion, two hundred eighty million, three hundred five thousand, four hundred twenty".