4011219828 has 144 divisors (see below), whose sum is σ = 13049487360. Its totient is φ = 1008244800.

The previous prime is 4011219809. The next prime is 4011219857. The reversal of 4011219828 is 8289121104.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 4011219792 and 4011219801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62593 + ... + 109271.

It is an arithmetic number, because the mean of its divisors is an integer number (90621440).

Almost surely, 2^4011219828 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 4011219828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6524743680).

4011219828 is an abundant number, since it is smaller than the sum of its proper divisors (9038267532).

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

4011219828 is a wasteful number, since it uses less digits than its factorization.

4011219828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46738 (or 46733 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 4011219828 is about 63334.1916187457. The cubic root of 4011219828 is about 1588.8838636543.

The spelling of 4011219828 in words is "four billion, eleven million, two hundred nineteen thousand, eight hundred twenty-eight".