4044921287 has 4 divisors (see below), whose sum is σ = 4412641416. Its totient is φ = 3677201160.

The previous prime is 4044921277. The next prime is 4044921311. The reversal of 4044921287 is 7821294404.

4044921287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4044921287 - 2⁴ = 4044921271 is a prime.

It is a super-2 number, since 2×4044921287² = 32722776436051472738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044921227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183860048 + ... + 183860069.

It is an arithmetic number, because the mean of its divisors is an integer number (1103160354).

Almost surely, 2^4044921287 is an apocalyptic number.

4044921287 is a deficient number, since it is larger than the sum of its proper divisors (367720129).

4044921287 is a wasteful number, since it uses less digits than its factorization.

4044921287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367720128.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 4044921287 is about 63599.6956517875. The cubic root of 4044921287 is about 1593.3212864420.

The spelling of 4044921287 in words is "four billion, forty-four million, nine hundred twenty-one thousand, two hundred eighty-seven".