4099491828 has 72 divisors (see below), whose sum is σ = 10521778176. Its totient is φ = 1345656000.

The previous prime is 4099491821. The next prime is 4099491829. The reversal of 4099491828 is 8281949904.

4099491828 is a `hidden beast` number, since 40 + 99 + 491 + 8 + 28 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4099491821) 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, 691525 + ... + 697427.

It is an arithmetic number, because the mean of its divisors is an integer number (146135808).

Almost surely, 2^4099491828 is an apocalyptic number.

It is an amenable number.

4099491828 is an abundant number, since it is smaller than the sum of its proper divisors (6422286348).

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

4099491828 is a wasteful number, since it uses less digits than its factorization.

4099491828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6205 (or 6200 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The square root of 4099491828 is about 64027.2740947169. The cubic root of 4099491828 is about 1600.4545359651.

The spelling of 4099491828 in words is "four billion, ninety-nine million, four hundred ninety-one thousand, eight hundred twenty-eight".