4066615420 has 24 divisors (see below), whose sum is σ = 9759877344. Its totient is φ = 1394268096.

The previous prime is 4066615403. The next prime is 4066615477. The reversal of 4066615420 is 245166604.

4066615420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 14523487 + ... + 14523766.

It is an arithmetic number, because the mean of its divisors is an integer number (406661556).

Almost surely, 2^4066615420 is an apocalyptic number.

It is an amenable number.

4066615420 is an abundant number, since it is smaller than the sum of its proper divisors (5693261924).

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

4066615420 is a wasteful number, since it uses less digits than its factorization.

4066615420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29047269 (or 29047267 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 4066615420 is about 63770.0197585041. The cubic root of 4066615420 is about 1596.1646966886.

The spelling of 4066615420 in words is "four billion, sixty-six million, six hundred fifteen thousand, four hundred twenty".