4028967378 has 30 divisors (see below), whose sum is σ = 9029681991. Its totient is φ = 1342719828.

The previous prime is 4028967329. The next prime is 4028967391. The reversal of 4028967378 is 8737698204.

It can be written as a sum of positive squares in only one way, i.e., 2014483689 + 2014483689 = 44883^2 + 44883^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=44883.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 805401 + ... + 810387.

Almost surely, 2^4028967378 is an apocalyptic number.

4028967378 is an abundant number, since it is smaller than the sum of its proper divisors (5000714613).

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

4028967378 is an frugal number, since it uses more digits than its factorization.

4028967378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9988 (or 4992 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The square root of 4028967378 is about 63474.1473199916. The cubic root of 4028967378 is about 1591.2237428464.

The spelling of 4028967378 in words is "four billion, twenty-eight million, nine hundred sixty-seven thousand, three hundred seventy-eight".