4028778204 has 24 divisors (see below), whose sum is σ = 10255072128. Its totient is φ = 1220841840.

The previous prime is 4028778191. The next prime is 4028778217.

4028778204 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (4028778191) and next prime (4028778217).

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, 15260392 + ... + 15260655.

It is an arithmetic number, because the mean of its divisors is an integer number (427294672).

Almost surely, 2^4028778204 is an apocalyptic number.

4028778204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4028778204 is an abundant number, since it is smaller than the sum of its proper divisors (6226293924).

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

4028778204 is a wasteful number, since it uses less digits than its factorization.

4028778204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30521065 (or 30521063 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 4028778204 is about 63472.6571367546. The cubic root of 4028778204 is about 1591.1988379644.

The spelling of 4028778204 in words is "four billion, twenty-eight million, seven hundred seventy-eight thousand, two hundred four".