4094949620 has 54 divisors (see below), whose sum is σ = 8839579266. Its totient is φ = 1593450240.

The previous prime is 4094949587. The next prime is 4094949623. The reversal of 4094949620 is 269494904.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 2042678416 + 2052271204 = 45196^2 + 45302^2 .

It is a super-2 number, since 2×4094949620² = 33537224780676288800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4094949623) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11733206 + ... + 11733554.

Almost surely, 2^4094949620 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 4094949620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4419789633).

4094949620 is an abundant number, since it is smaller than the sum of its proper divisors (4744629646).

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

4094949620 is an equidigital number, since it uses as much as digits as its factorization.

4094949620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 4094949620 is about 63991.7933800890. The cubic root of 4094949620 is about 1599.8632200782.

The spelling of 4094949620 in words is "four billion, ninety-four million, nine hundred forty-nine thousand, six hundred twenty".