3994099480 has 128 divisors (see below), whose sum is σ = 10543841280. Its totient is φ = 1333278720.

The previous prime is 3994099471. The next prime is 3994099517. The reversal of 3994099480 is 849904993.

It is a super-2 number, since 2×3994099480² = 31905661312272540800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2934000 + ... + 2935360.

It is an arithmetic number, because the mean of its divisors is an integer number (82373760).

Almost surely, 2^3994099480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3994099480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5271920640).

3994099480 is an abundant number, since it is smaller than the sum of its proper divisors (6549741800).

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

3994099480 is a wasteful number, since it uses less digits than its factorization.

3994099480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 55.

The square root of 3994099480 is about 63198.8882813614. Note that the first 3 decimals coincide. The cubic root of 3994099480 is about 1586.6201268823.

The spelling of 3994099480 in words is "three billion, nine hundred ninety-four million, ninety-nine thousand, four hundred eighty".