4378490612 has 12 divisors (see below), whose sum is σ = 7663100676. Its totient is φ = 2189033280.

The previous prime is 4378490603. The next prime is 4378490629. The reversal of 4378490612 is 2160948734.

It can be written as a sum of positive squares in 2 ways, for example, as 3729056356 + 649434256 = 61066^2 + 25484^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839 + ... + 93582.

It is an arithmetic number, because the mean of its divisors is an integer number (638591723).

Almost surely, 2^4378490612 is an apocalyptic number.

It is an amenable number.

4378490612 is a deficient number, since it is larger than the sum of its proper divisors (3284610064).

4378490612 is a wasteful number, since it uses less digits than its factorization.

4378490612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106018 (or 106016 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 4378490612 is about 66170.1640620605. The cubic root of 4378490612 is about 1635.9680117808.

The spelling of 4378490612 in words is "four billion, three hundred seventy-eight million, four hundred ninety thousand, six hundred twelve".