4028451276 has 12 divisors (see below), whose sum is σ = 9399719672. Its totient is φ = 1342817088.

The previous prime is 4028451221. The next prime is 4028451293. The reversal of 4028451276 is 6721548204.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167852125 + ... + 167852148.

Almost surely, 2^4028451276 is an apocalyptic number.

It is an amenable number.

4028451276 is an abundant number, since it is smaller than the sum of its proper divisors (5371268396).

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

4028451276 is a wasteful number, since it uses less digits than its factorization.

4028451276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335704280 (or 335704278 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 4028451276 is about 63470.0817393518. The cubic root of 4028451276 is about 1591.1557958394.

The spelling of 4028451276 in words is "four billion, twenty-eight million, four hundred fifty-one thousand, two hundred seventy-six".