4005628648 has 16 divisors (see below), whose sum is σ = 8583490080. Its totient is φ = 1716697968.

The previous prime is 4005628631. The next prime is 4005628657. The reversal of 4005628648 is 8468265004.

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, 35764486 + ... + 35764597.

It is an arithmetic number, because the mean of its divisors is an integer number (536468130).

Almost surely, 2^4005628648 is an apocalyptic number.

It is an amenable number.

4005628648 is an abundant number, since it is smaller than the sum of its proper divisors (4577861432).

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

4005628648 is a wasteful number, since it uses less digits than its factorization.

4005628648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71529096 (or 71529092 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The square root of 4005628648 is about 63290.0359298365. The cubic root of 4005628648 is about 1588.1452798073.

The spelling of 4005628648 in words is "four billion, five million, six hundred twenty-eight thousand, six hundred forty-eight".