7285439020 has 12 divisors (see below), whose sum is σ = 15299421984. Its totient is φ = 2914175600.

The previous prime is 7285438999. The next prime is 7285439033. The reversal of 7285439020 is 209345827.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182135956 + ... + 182135995.

It is an arithmetic number, because the mean of its divisors is an integer number (1274951832).

Almost surely, 2^7285439020 is an apocalyptic number.

It is an amenable number.

7285439020 is an abundant number, since it is smaller than the sum of its proper divisors (8013982964).

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

7285439020 is a wasteful number, since it uses less digits than its factorization.

7285439020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364271960 (or 364271958 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 7285439020 is about 85354.7832285924. The cubic root of 7285439020 is about 1938.5867608014.

The spelling of 7285439020 in words is "seven billion, two hundred eighty-five million, four hundred thirty-nine thousand, twenty".