4439154428 has 12 divisors (see below), whose sum is σ = 7785158472. Its totient is φ = 2214823440.

The previous prime is 4439154397. The next prime is 4439154449. The reversal of 4439154428 is 8244519344.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 1186343 + ... + 1190078.

It is an arithmetic number, because the mean of its divisors is an integer number (648763206).

Almost surely, 2^4439154428 is an apocalyptic number.

It is an amenable number.

4439154428 is a deficient number, since it is larger than the sum of its proper divisors (3346004044).

4439154428 is a wasteful number, since it uses less digits than its factorization.

4439154428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376892 (or 2376890 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 4439154428 is about 66626.9797304365. The cubic root of 4439154428 is about 1643.4888087874.

The spelling of 4439154428 in words is "four billion, four hundred thirty-nine million, one hundred fifty-four thousand, four hundred twenty-eight".