4401978288 has 40 divisors (see below), whose sum is σ = 11478068928. Its totient is φ = 1453611072.

The previous prime is 4401978227. The next prime is 4401978307. The reversal of 4401978288 is 8828791044.

It is a self number, because there is not a number n which added to its sum of digits gives 4401978288.

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, 423406 + ... + 433677.

Almost surely, 2^4401978288 is an apocalyptic number.

4401978288 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4401978288 is an abundant number, since it is smaller than the sum of its proper divisors (7076090640).

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

4401978288 is a wasteful number, since it uses less digits than its factorization.

4401978288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857201 (or 857195 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The square root of 4401978288 is about 66347.4060382167. The cubic root of 4401978288 is about 1638.8880882590. Note that the first 3 decimals are identical.

The spelling of 4401978288 in words is "four billion, four hundred one million, nine hundred seventy-eight thousand, two hundred eighty-eight".