7283944340 has 24 divisors (see below), whose sum is σ = 15353157960. Its totient is φ = 2902744448.

The previous prime is 7283944337. The next prime is 7283944351. The reversal of 7283944340 is 434493827.

It can be written as a sum of positive squares in 4 ways, for example, as 476374276 + 6807570064 = 21826^2 + 82508^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7283944291 and 7283944300.

It is a congruent number.

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, 671567 + ... + 682326.

It is an arithmetic number, because the mean of its divisors is an integer number (639714915).

Almost surely, 2^7283944340 is an apocalyptic number.

It is an amenable number.

7283944340 is an abundant number, since it is smaller than the sum of its proper divisors (8069213620).

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

7283944340 is a wasteful number, since it uses less digits than its factorization.

7283944340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354171 (or 1354169 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 44.

The square root of 7283944340 is about 85346.0270897246. The cubic root of 7283944340 is about 1938.4541783069.

The spelling of 7283944340 in words is "seven billion, two hundred eighty-three million, nine hundred forty-four thousand, three hundred forty".