4428430428 has 24 divisors (see below), whose sum is σ = 10552856832. Its totient is φ = 1444735984.

The previous prime is 4428430417. The next prime is 4428430439. The reversal of 4428430428 is 8240348244.

It is an interprime number because it is at equal distance from previous prime (4428430417) and next prime (4428430439).

It is a super-2 number, since 2×4428430428² = 39221992111272526368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3925350 + ... + 3926477.

It is an arithmetic number, because the mean of its divisors is an integer number (439702368).

Almost surely, 2^4428430428 is an apocalyptic number.

It is an amenable number.

4428430428 is an abundant number, since it is smaller than the sum of its proper divisors (6124426404).

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

4428430428 is a wasteful number, since it uses less digits than its factorization.

4428430428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7851881 (or 7851879 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 39.

The square root of 4428430428 is about 66546.4531586771. The cubic root of 4428430428 is about 1642.1643083788.

The spelling of 4428430428 in words is "four billion, four hundred twenty-eight million, four hundred thirty thousand, four hundred twenty-eight".