4385686690 has 192 divisors, whose sum is σ = 11073708288. Its totient is φ = 1230028800.

The previous prime is 4385686661. The next prime is 4385686703. The reversal of 4385686690 is 966865834.

It is a happy number.

It is a super-2 number, since 2×4385686690² = 38468495485686312200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2106450 + ... + 2108530.

It is an arithmetic number, because the mean of its divisors is an integer number (57675564).

Almost surely, 2^4385686690 is an apocalyptic number.

4385686690 is an abundant number, since it is smaller than the sum of its proper divisors (6688021598).

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

4385686690 is a wasteful number, since it uses less digits than its factorization.

4385686690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153 (or 2146 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 55.

The square root of 4385686690 is about 66224.5172877840. The cubic root of 4385686690 is about 1636.8637626168.

The spelling of 4385686690 in words is "four billion, three hundred eighty-five million, six hundred eighty-six thousand, six hundred ninety".