4028215464 has 384 divisors, whose sum is σ = 13955235840. Its totient is φ = 1021579776.

The previous prime is 4028215453. The next prime is 4028215483. The reversal of 4028215464 is 4645128204.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 31718169 + ... + 31718295.

It is an arithmetic number, because the mean of its divisors is an integer number (36341760).

Almost surely, 2^4028215464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4028215464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6977617920).

4028215464 is an abundant number, since it is smaller than the sum of its proper divisors (9927020376).

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

4028215464 is a wasteful number, since it uses less digits than its factorization.

4028215464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 4028215464 is about 63468.2240495195. The cubic root of 4028215464 is about 1591.1247482625.

The spelling of 4028215464 in words is "four billion, twenty-eight million, two hundred fifteen thousand, four hundred sixty-four".