4428390556 has 6 divisors (see below), whose sum is σ = 7749683480. Its totient is φ = 2214195276.

The previous prime is 4428390541. The next prime is 4428390569. The reversal of 4428390556 is 6550938244.

It is a super-2 number, since 2×4428390556² = 39221285832939978272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553548816 + ... + 553548823.

Almost surely, 2^4428390556 is an apocalyptic number.

It is an amenable number.

4428390556 is a deficient number, since it is larger than the sum of its proper divisors (3321292924).

4428390556 is a wasteful number, since it uses less digits than its factorization.

4428390556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107097643 (or 1107097641 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 46.

The square root of 4428390556 is about 66546.1535777989. The cubic root of 4428390556 is about 1642.1593798777.

The spelling of 4428390556 in words is "four billion, four hundred twenty-eight million, three hundred ninety thousand, five hundred fifty-six".