4028649100 has 72 divisors (see below), whose sum is σ = 9999741920. Its totient is φ = 1380049920.

The previous prime is 4028649089. The next prime is 4028649101. The reversal of 4028649100 is 19468204.

It is not an unprimeable number, because it can be changed into a prime (4028649101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1250692 + ... + 1253908.

Almost surely, 2^4028649100 is an apocalyptic number.

It is an amenable number.

4028649100 is an abundant number, since it is smaller than the sum of its proper divisors (5971092820).

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

4028649100 is a wasteful number, since it uses less digits than its factorization.

4028649100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027 (or 5020 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 4028649100 is about 63471.6401237592. The cubic root of 4028649100 is about 1591.1818408900.

The spelling of 4028649100 in words is "four billion, twenty-eight million, six hundred forty-nine thousand, one hundred".