4082728390 has 32 divisors (see below), whose sum is σ = 8258314176. Its totient is φ = 1441925760.

The previous prime is 4082728361. The next prime is 4082728393. The reversal of 4082728390 is 938272804.

It is a happy number.

It is a super-4 number, since 4×4082728390⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4082728393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679741 + ... + 685720.

It is an arithmetic number, because the mean of its divisors is an integer number (258072318).

Almost surely, 2^4082728390 is an apocalyptic number.

4082728390 is an abundant number, since it is smaller than the sum of its proper divisors (4175585786).

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

4082728390 is a wasteful number, since it uses less digits than its factorization.

4082728390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365504.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 4082728390 is about 63896.2314225182. The cubic root of 4082728390 is about 1598.2700560140.

The spelling of 4082728390 in words is "four billion, eighty-two million, seven hundred twenty-eight thousand, three hundred ninety".