4445338988 has 12 divisors (see below), whose sum is σ = 7779946272. Its totient is φ = 2222497200.

The previous prime is 4445338969. The next prime is 4445338991. The reversal of 4445338988 is 8898335444.

It is a super-2 number, since 2×4445338988² = 39522077436465728288, which contains 22 as substring.

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, 28013 + ... + 98363.

It is an arithmetic number, because the mean of its divisors is an integer number (648328856).

Almost surely, 2^4445338988 is an apocalyptic number.

It is an amenable number.

4445338988 is a deficient number, since it is larger than the sum of its proper divisors (3334607284).

4445338988 is a wasteful number, since it uses less digits than its factorization.

4445338988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86152 (or 86150 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 56.

The square root of 4445338988 is about 66673.3754057795. The cubic root of 4445338988 is about 1644.2516821931.

The spelling of 4445338988 in words is "four billion, four hundred forty-five million, three hundred thirty-eight thousand, nine hundred eighty-eight".